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Basic Geometry

Basic Geometry

Basic Geometry: Surface Area, Perimeter, and Volume, Oh My True or False

1. How many faces are there on a hexagonal pyramid?5
2. Approximate the area of the light blue sections.

12.9 cm2

3. Find the perimeter of this figure to the nearest tenth.

16.3 cm

4. Find the volume of a cube, where each side has a perimeter of 12 cm.27 cm3
5. Find the surface area of a cube where each side has a perimeter of 12 cm.54 cm3
6. What is the volume of this trapezoidal prism?

204.75 cm3

7. What is the surface area of this trapezoidal prism?

191 cm2

8. Find the area of this section of a circle to the nearest tenth.

12.7 cm2

9. You are building a simple dollhouse for your little sister. Here is the sketch you made:

You will paint the sides, top, and back, but not the front or bottom, pink, her favorite color. How many square inches of paint do you need?1620 in2

10. The length of the diagonal of this square is 9.9 cm. Use the Pythagorean theorem to approximate the length of the sides to the nearest tenth.

8.0 cm


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