Match Area Formulas with Shapes

Assume the area of this trapezoid is 252 m². What is the height?
Hint: Area = ((Top + Bottom) / 2)) * Height

What is the area of the parallelogram?

• 72 cm²

• 36 cm²

• 18 cm²

• 48 cm²

Answer explanation

Area is base x height. The height is not the same as the smaller side.

Match the following area formulas with their shapes.

• Length x Width

• 
• 1/2 x base x height

• 
• base x height

• 
• ((Top + bottom) / 2)) x height

• 

A triangle has an area of 24 square feet. Which of the following could be measures of the base and height?
Hint: triangle area is 1/2 x B x H or (B x H) / 2

• Base 2, Height 6

• Base 6, Height 6

• Base 12, Height 4

• Base 24, Height 2

A triangle has an area of 36 square feet. Which of the following could be measures of the base and height?
Hint: triangle area is 1/2 x B x H or (B x H) / 2

• Base 3, Height 6

• Base 8, Height 9

• Base 70, Height 2

• Base 88, Height 11

What is the height of this trapezoid?
Hint: Area = ((top + bottom) / 2) * height

• About 7

• About 8

• About 9

• About 10

Imagine two shapes: a parallelogram and a triangle. You need to calculate the area of each one. The parallelogram has a base of 10 inches and height of 4 inches. The triangle has a base of 10 and a height of 6. Which is bigger?
The ​ (a)   is ​ (b)   than the ​ (c)   in surface area.

• smaller

• bigger

• Same

• triangle

• parallelogram

Answer explanation

To solve this, calculate the area of each shape and compare them.

What is the area of this shape?

• 10 cm²

• 12 cm²

• 8 cm²

• 14 cm²

Answer explanation

For compound shapes, you have to divide the shapes into small ones and then add the different surface areas together.

What is the area of this shape?

• 338 in²

• 312 in²

• 169 in²

• 199 in²

Answer explanation

For compound shapes, you have to divide the shapes into small ones and then add the different surface areas together.

What is the area? (Hint: more than one answer)

• 2/21 units²

• 6/63 units²

• 7/28 units²

• 4/7 units²