A pyramid of volume 120cm3 has a rectangular ba... - WAEC Mathematics 2003 Question
A pyramid of volume 120cm3 has a rectangular base which measures 5cm by 6cm. Calculate the height of the pyramid
A
5cm
B
9cm
C
12cm
D
15cm
correct option: c
\(V= \frac{1}{2}\hspace{1mm}base\hspace{1mm}area\hspace{1mm}\times\hspace{1mm}height\
120=\frac{1}{3}\times 5 \times 6 \times h; h = \frac{120}{10}=12cm\)
120=\frac{1}{3}\times 5 \times 6 \times h; h = \frac{120}{10}=12cm\)
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