The dimension of a rectangular base of a right pyramid is 9 cm by 5cm. If the volume of the pyramid is 105 cm\(^3\), how high is the pyramid?
A
10cm
B
6cm
C
8cm
D
7cm
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
Volume = \(\frac{1}{3}\) x 9 x 5 x h
105 = \(\frac{1}{3}\) x 9 x 5 x h
\(\frac{105}{15} = \frac{15h}{15}\)
h = 7cm
Source: Myschool Past Questions Archive (Record #58316)