Area of Square and Rectangle

What is the area of this shape? (each square is 1 dm²)

• 8 dm²

• 9 dm²

• 10 dm²

• 1 dm²

What is the formula to find the area of a rectangle?

• length x width

• length + breadth

• length x breadth

• length + lwidth

What is the formula to find the area of a square?

• length + width

• 4 x s

• side x side

• 2 x (l + w)

Find the missing side length, when the area is 72 m² and the width is 6 m!

• length = 11 m

• length = 12 m

• length = 13 m

• length = 14 m

One side of a rectangle is 3 feet shorter than twice the other side. How long are the two sides if the area is 209 ft²? Put the shorter length first. ​ (a)   ​ (b)  

• 11 ft

• 19 ft

• 10 ft

• 17 ft

• 13 ft

• 16 ft

The area of a rectangle is 45.5 square inches. The base of the rectangle is 7 in.

What is the height of the rectangle in inches?

Mathematical Equivalence

ON

Find the area in inches (in).

Arsy’s desk is a rectangle. It has a length of 120 cm and a width of 80 cm. What is the area of Arsy desk?

• 40 cm²

• 9000 cm²

• 9600 cm²

• 400 cm²

What is the area of this rectangle?

Find the Area of the Square.

• 10

• 25

• 40