Geometry Geometry 3D Shapes & Solids 3

Question 1

What is the surface area of a sphere with radius 4 cm?

Accepted Answer

64π cm²

Answer

16π cm²

Answer

32π cm²

Answer

48π cm²

Question 2

The cross-section of a cylinder cut parallel to its base is a:

Accepted Answer

Circle

Answer

Rectangle

Answer

Ellipse

Answer

Triangle

Question 3

A rectangular prism has length 5, width 3, and height 2. What is its surface area?

Accepted Answer

62

Answer

30

Answer

47

Answer

60

Question 4

What is Euler's formula relating vertices (V), edges (E), and faces (F) of a polyhedron?

Accepted Answer

V − E + F = 2

Answer

V + E + F = 2

Answer

V + E − F = 2

Answer

V × E × F = 2

Question 5

A cone has a radius of 4 cm and a height of 3 cm. What is its slant height?

Accepted Answer

5 cm

Answer

3 cm

Answer

4 cm

Answer

7 cm

Question 6

How many faces does an octahedron have?

Accepted Answer

8

Answer

6

Answer

10

Answer

12