Observe the composite figure below.

The bottom shape is a cube with base edges of 6 inches. The top shape is a right pyramid with a height of 4 inches. What is the surface area of this composite figure?

180 in2

60 in2

240 in2

36 in2

Question

Observe the composite figure below. 
 
The bottom shape is a cube with base edges of 6 inches. The top shape is a right pyramid with a height of 4 inches. What is the surface area of this composite figure?

 180 in2

 60 in2

 240 in2

 36 in2

anonymous · Answer

attachment

cwrw238 · Answer

area of exposed faces of the cube = 5 *6^2
area of the 4 triangles of the pyramid = ( 1/2  * 6 * slant height) * 4)
the slant height can be calculated using  pythagoras theorem:
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