# Rectangle Area, Perimeter, Diagonal, Length & Width Calculator

getcalc.com's **Rectangle Calculator** is an online basic geometry tool to calculate area, perimeter, diagonal, length or width of a rectangle shape or plane, in both US customary & metric (SI) units.

## Steps to Find Area of a Recatngle

The step by step workout for how to find what is the area of a rectangle. Students may use this rectangle calculator to generate work with steps for any other similar input values.__Workout :__

step1 Address the formula, input parameters and values

Length = 10 in

Width = 5 in

step 2 Find area of rectangle using length and width values

Area = length x width

= 10 x 5 in²

Area = 50 in²

## Rectangle & Formulas

**Rectangle** is a two dimensional plane or geometric shape with 4 straight sides and 4 right angle (90º) corners. Adjacent sides of a rectangle is unequal and opposite sides are parallel to each other. K-12 students may refer the below formulas of rectangle to know what are all the input parameters are being used to find the area, perimeter, diagonal, length or side of a rectangle.

### Problems on Area, Perimeter, Length or Width of a Rectangle

- Find what is the area of rectangle whose length & breadth measured as 16 and 11 inches respectively?
- Find what is the area of rectangle, if it has a length of 60 inches and width of 30 inches?
- Find what is the perimeter of rectangle whose length & breadth measured as 45 and 24 inches respectively?
- Find what is the perimeter of rectangle, if it has a length of 10 inches and width of 7 inches?
- Find what is the diagonal length of a rectangle whose length & breadth measured as 60 and 30 inches respectively?
- Find what is the diagonal length of a rectangle, if it has a length of 7 inches and width of 4 inches?
- Find what is the length of a rectangle whose area is 1200 square inches and width is 50 inches?
- Find what is the length of a rectangle, if the area is 2400 square inches and breadth is 40 inches?
- Find what is the width of a rectangle whose area is 3600 square inches and length is 70 inches?
- Find what is the breadth of a rectangle, if the area is 5000 square inches and length is 90 inches?