The height of a pyramid on square base is 15cm. if the volume is 80cm^3, find the area of the square base.
-
A.
8cm2 -
B.
9.6cm2 -
C.
16cm2 -
D.
25cm2
Correct Answer: Option C
Explanation
Volume of pyramid with square base = (frac{text{base area} times height}{3})
(80 = frac{text{base area} times 15}{3})
(80 = 5 times text{base area})
(text{Base area} = 16 cm^2)