Finding Area of a Shape

What is the area of this shape?

• 36 m²

• 65 m²

• 80 m²

• 50 m²

Answer explanation

Show how you could cut this shape into 2 rectangles that you could use to find the area of this shape.

Answer explanation

For the purpose of this question, we are going to cut the shape as shown. What is the area of rectangle A?

• 11 m²

• 30 m²

• 22 m²

• 300 m²

Answer explanation

For the purpose of this question, we are going to cut the shape as shown. What is the area of rectangle B?

• 144 m²

• 17 m²

• 36 m²

• 16 m²

Answer explanation

Calculate the area of a rhombus with diagonals 10 cm and 8 cm.

Calculate the area of a triangle with sides 13 cm, 14 cm, and 15 cm.

• 84 cm²

• 90 cm²

• 92 cm²

• 96 cm²

A trapezoid has bases of 15 cm and 9 cm, and a height of 6 cm. If the height is measured with an error of ±0.2 cm, what is the possible range for the area of the trapezoid?

• 71.4 cm² to 76.6 cm²

• 72.0 cm² to 76.0 cm²

• 73.2 cm² to 74.8 cm²

• 70.8 cm² to 77.2 cm²

Marco's painting has an area of 320 square inches.  If the width of the painting is 16 inches, what is the length of the painting? 
*** Length= Area/Width

• 24 inches

• 22 inches

• 20 inches

• 26 inches 

Estimate the area of a circular playground if the diameter is approximately 10 units.

• 78 square units

• 100 square units

• 50 square units

• 314 square units

What is the total area of this composite shape?

• 200 m²

• 50 m²

• 66 m²

• 90 m²

Answer explanation