Surface Area of Prisms and Cylinders Concept Check

What is the perimeter of the base of a cylinder with a radius of 4 cm?

• 20 cm

• 25.1 cm

• 30 cm

• 15.7 cm

What is the surface area of a cylinder with a radius of 6 cm and a height of 8 cm?

• 168π cm² (≈ 527.79 cm²)

• 120π cm² (≈ 376.99 cm²)

• 150π cm² (≈ 471.24 cm²)

• 200π cm² (≈ 628.32 cm²)

What is the surface area of a cylinder with a radius of 2 m and a height of 5 m?

• 60 m²

• 87.96 m²

• 100 m²

• 75 m²

What is the surface area of a cube with a side length of 4 cm?

• 64 cm²

• 80 cm²

• 96 cm²

• 100 cm²

What does 'r' stand for in the surface area formulas?

• The radius of the base of the cylinder.

• The height of the cylinder.

• The diameter of the base of the cylinder.

• The circumference of the base of the cylinder.

What is the surface area of a triangular prism with base lengths 5 cm, 12 cm, and 13 cm, and a height of 10 cm?

• 250 cm²

• 300 cm²

• 350 cm²

• 400 cm²

What is the surface area of a rectangular prism with dimensions 10 cm x 5 cm x 4 cm?

• 180 cm²

• 200 cm²

• 220 cm²

• 240 cm²

What is the formula for the surface area of a rectangular prism?

• SA = 2(lw + lh + wh)

• SA = l + w + h

• SA = 2(l + w + h)

• SA = lwh

What is the surface area of a prism with a square base of side 3 cm and height 5 cm?

• 60 cm²

• 78 cm²

• 72 cm²

• 54 cm²

What is the surface area of a cylinder with a diameter of 10 cm and a height of 4 cm?

• 70π cm² (≈ 219.91 cm²)

• 80π cm² (≈ 251.33 cm²)

• 90π cm² (≈ 282.74 cm²)

• 100π cm² (≈ 314.16 cm²)