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perimeter

  1. math_celebrity

    A rectangular room is 3 times as long as it is wide, and its perimeter is 64 meters. Find the dimens

    A rectangular room is 3 times as long as it is wide, and its perimeter is 64 meters. Find the dimension of the room. We're given: l = 3w P = 64 We also know the perimeter of a rectangle is: 2l + 2w = P We plugin l = 3w and P = 64 into the perimeter equation: 2(3w) + 2w = 64 Multiply through...
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    A rectangular room is 4 times as long as it is wide, and its perimeter is 80 meters. Find the dimens

    A rectangular room is 4 times as long as it is wide, and its perimeter is 80 meters. Find the dimension of the room The perimeter of a rectangle is P = 2l + 2w. We're given two equations: l = 4w 2l + 2w = 80. <-- Since perimeter is 80 Plug equation (1) into equation (2) for l: 2(4w) + 2w = 80...
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    If 800 feet of fencing is available, find the maximum area that can be enclosed.

    If 800 feet of fencing is available, find the maximum area that can be enclosed. Perimeter of a rectangle is: 2l + 2w = P However, we're given one side (length) is bordered by the river and the fence length is 800, so we have: So we have l + 2w = 800 Rearranging in terms of l, we have: l =...
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    A child's bedroom is rectangular in shape with dimensions 17 feet by 15 feet. How many feet of wallp

    A child's bedroom is rectangular in shape with dimensions 17 feet by 15 feet. How many feet of wallpaper border are needed to wrap around the entire room? A rectangle has an Perimeter (P) of: P = 2l + 2w We're given l = 17 and w = 15. So we have: P = 2(17) + 2(15) P = 34 + 30 P = 64
  5. math_celebrity

    A rectangular room is 3 times as long as it is wide, and its perimeter is 56 meters.

    A rectangular room is 3 times as long as it is wide, and its perimeter is 56 meters. We're given the following: l = 3w We know the Perimeter (P) of a rectangle is: P = 2l + 2w Substituting l = 3w and P = 56 into this equation, we get: 2(3w) + 2w = 56 Multiplying through, we get: 6w + 2w =...
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    A rectangular house is 68 yards wide and 112 yards long. What is its perimeter?

    A rectangular house is 68 yards wide and 112 yards long. What is its perimeter? The perimeter of a rectangle is: P = 2l + 2w Plugging in our length of 112 and our width of 68, we get: P = 2(112) + 2(68) P = 224 + 136 P = 360
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    If the perimeter of a rectangular sign is 44cm and the width is 2cm shorter than half the length, th

    If the perimeter of a rectangular sign is 44cm and the width is 2cm shorter than half the length, then what are the length and width? The perimeter (P) of a rectangle is: 2l + 2w = P We're given P = 44, so we substitute this into the rectangle perimeter equation: 2l + 2w = 44 We're also given...
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    The perimeter of a rectangular parking lot is 258 meters. If the length of the parking lot is 71, wh

    The perimeter of a rectangular parking lot is 258 meters. If the length of the parking lot is 71, what is its width? The perimeter for a rectangle (P) is given as: 2l + 2w = P We're given P = 258 and l = 71. Plug these values in: 2(71) + 2w = 258 142 + 2w = 258 Typing this equation into our...
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    The perimeter of a rectangular field is 300m. If the width of the field is 59m, what is it’s length

    The perimeter of a rectangular field is 300m. If the width of the field is 59m, what is it’s length? Set up the perimeter (P) of a rectangle equation given length (l) and width (w): 2l + 2w = P We're given P = 300 and w = 59. Plug these into the perimeter equation: 2l + 2(59) = 300 2l + 118 =...
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    A RECTANGLE HAS A PERIMETER OF 196 CENTIMETERS. IF THE LENGTH IS 6 TIMES ITS WIDTH FIND TH DIMENSION

    A RECTANGLE HAS A PERIMETER OF 196 CENTIMETERS. IF THE LENGTH IS 6 TIMES ITS WIDTH FIND TH DIMENSIONS OF THE RECTANGLE? Whoa... stop screaming with those capital letters! But I digress... The perimeter of a rectangle is: P = 2l + 2w We're given two equations: P = 196 l = 6w Plug these into...
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    The perimeter of a college basketball court is 102 meters and the length is twice as long as the wid

    The perimeter of a college basketball court is 102 meters and the length is twice as long as the width. What are the length and width? A basketball court is a rectangle. The perimeter P is: P = 2l + 2w We're also given l = 2w and P = 102. Plug these into the perimeter formula: 2(2w) + 2w = 102...
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    If the perimeter of a rectangular field is 120 feet and the length of one side is 25 feet, how wide

    If the perimeter of a rectangular field is 120 feet and the length of one side is 25 feet, how wide must the field be? The perimeter of a rectangle P, is denoted as: P = 2l + 2w We're given l = 25, and P = 120, so we have 2(25) + 2w = 120 Simplify: 2w + 50 = 120 Typing this equation into our...
  13. math_celebrity

    A square has a perimeter of 24 inches. What is the area of the square?

    A square has a perimeter of 24 inches. What is the area of the square? Perimeter of a square = 4s where s = the length of a side. Therefore, we have: 4s = P 4s = 24 Using our equation solver, we type in 4s = 24 and get: s = 6 The problems asks for area of a square. It's given by A = s^2...
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    The perimeter of a rectangular outdoor patio is 54 ft. The length is 3 ft greater than the width. Wh

    The perimeter of a rectangular outdoor patio is 54 ft. The length is 3 ft greater than the width. What are the dimensions of the patio? Perimeter of a rectangle is: P = 2l + 2w We're given l = w + 3 and P = 54. So plug this into our perimeter formula: 54= 2(w + 3) + 2w 54 = 2w + 6 + 2w...
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    The perimeter of a rectangular shelf is 60 inches. The shelf is 7 inches deep. How wide is it?

    The perimeter of a rectangular shelf is 60 inches. The shelf is 7 inches deep. How wide is it? The perimeter for a rectangle is given below: P = 2l + 2w We're given l = 7 and P = 60. Plug this into the perimeter formula: 60 = 2(7) + 2w 60 = 14 + 2w Rewritten, it's 2w + 14 = 60. Typing this...
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    A parallelogram has a perimeter of 54 centimeters. Two of the sides are each 17 centimeters long. Wh

    A parallelogram has a perimeter of 54 centimeters. Two of the sides are each 17 centimeters long. What is the length of each of the other two sides? A parallelogram is a rectangle bent on it's side. So we have the perimeter formula P below: P = 2l + 2w We're given w = 17 and P = 54. So we plug...
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    An irregular pentagon is a five sided figure. The two longest sides of a pentagon are each three tim

    An irregular pentagon is a five sided figure. The two longest sides of a pentagon are each three times as long as the shortest side. The remaining two sides are each 8m longer than the shortest side. The perimeter of the Pentagon is 79m. Find the length of each side of the Pentagon. Let long...
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    A yard is 33.21 meters long and 17.6 meters wide. What length of fence must be purchased to enclose

    A yard is 33.21 meters long and 17.6 meters wide. What length of fence must be purchased to enclose the entire yard? The yard is a rectangle. The perimeter of a rectangle is: P = 2l + 2w where l is the length and w is the width. Evaluating, using our rectangle calculator, we get P = 101.62
  19. math_celebrity

    A 7 by 5 photo was enlarged. The length and width were enlarged 125%. Find the perimeter of the phot

    A 7 by 5 photo was enlarged. The length and width were enlarged 125%. Find the perimeter of the photo. Enlarge length 125%: 7 * 1.25 = 8.75 Enlarge width 125%: 5 * 1.25 = 6.25 Perimeter of the enlarged photo is 2l + 2w, so we have: P = 2(8.75) + 2(6.25) P = 17.5 + 12.5 P = 30
  20. math_celebrity

    The perimeter of a rectangular notecard is 16 inches. The notecard is 5 inches wide. How tall is it?

    The perimeter of a rectangular notecard is 16 inches. The notecard is 5 inches wide. How tall is it? Perimeter of a rectangle P is: P = 2l + 2w We have: 2l + 2w = 16 We are given w = 5, so we have: 2l + 2(5) = 16 2l + 10 = 16 Plugging this into our equation calculator, we get l = 3.
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