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20 votes
A square pyramid is shown:

A square pyramid is shown. The sides of the square base are labeled 0.5 foot. The height of one of the triangular sides is labeled 9 feet.

What is the surface area of the pyramid? (1 point)

A. 2.5 square feet
B. 5.25 square feet
C. 9.25 square feet
D. 1.5 square feet

2 Answers

8 votes
The answer should be 9.25
User Mohammad Efazati
by
3.3k points
5 votes
area of triangles:
0.5x9=4.5
4.5x2=9 (i divided 4 (the amount of triangles) by
2 instead of dividing 4.5 by 2)
area of square:
0.5x0.5=0.25
surface area of whole thing:
9+0.25=9.25
so the answer is 9.25
hope this helps :)
User Nmgeek
by
3.5k points