Area

Find the area of a trapezoid with bases of 17 centimeters and 19 centimeters, and a height of 2 centimeters.

• 18

• 32

• 45

• 36

What is the area of this trapezoid?

• 14.25 m²

• 22.5 m²

• 17.25 m²

What is the area of the composite figure? (use 3.14 for pi)

• 14 cm²

• 12.56 cm²

• 6.28 cm²

• 20.28 cm²

What is the area of the composite shape?

• 50cm²

• 40cm²

• 25cm²

• 35cm²

What is the base and the height of the triangle?

• base: 8cm

  height: 5 cm

• base: 5 cm

  height: 5 cm

• base: 5 cm

  height: 8 cm

• base: 1 cm

  height: 2 cm

Fill in the area formula for the green trapezoid.

 $A=\ \frac{1}{2}h\ \left(b1+b2\right)$  

• $$A=\frac{1}{2}\cdot 6\cdot \left(5+9\right)$$  

• $$A=\frac{1}{2}\cdot 9\cdot \left(5+6\right)$$  

•  $A=\frac{1}{2}\cdot5\cdot\left(6+9\right)$  

Find the total surface area of the rectangular prism.

• 77 cm2

• 7 cm2

• 17 cm2

• 70 cm2

What is the total surface area of the triangular prism shown?

• 960 cm²

• 256 cm²

• 448 cm²

• 544 cm²

A square pyramid is covered with decorative wrapping paper with no overlap. The net of the box is shown on the right. How many square centimeters of wrapping paper are needed to cover the surfaces of the box?

• 108 cm²

• 180 cm²

• 324 cm²

• 432 cm²

What 3D solid does this net create?

• Triangular Pyramid

• Square Pyramid

• Triangular Prism

• Square Prism