Enter 2 values below

<-- Length
<-- Width
<-- Area
<-- Perimeter
  

How does the Rectangles and Parallelograms Calculator work?
Free Rectangles and Parallelograms Calculator - Solve for Area, Perimeter, length, and width of a rectangle or parallelogram and also calculates the diagonal length as well as the circumradius and inradius.
This calculator has 4 inputs.
Common Core State Standards In This Lesson
4.MD.A.3
What 2 formulas are used for the Rectangles and Parallelograms Calculator?
P=2l+2w
A=l*w
What 9 concepts are covered in the Rectangles and Parallelograms Calculator?
area
Number of square units covering the shape
circumradius
a radius of the circle inside which the polygon can be inscribed
inradius
a radius of an inscribed circle or sphere
length
the measurement or extent of something from end to end
parallelogram
simple quadrilateral with two pairs of parallel sides.
perimeter
The distance around a shape or object
rectangle
a quadrilateral with four right angles
rectangles and parallelograms
width
the measurement or extent of something from side to side.
Example calculations for the Rectangles and Parallelograms Calculator



Rectangles and Parallelograms Calculator Video

Rectangles and Parallelograms Calculator Video