WAEC - Mathematics (2003 - No. 14)
A pyramid of volume 120cm3 has a rectangular base which measures 5cm by 6cm. Calculate the height of the pyramid
5cm
9cm
12cm
15cm
ব্যাখ্যা
\(V= \frac{1}{3}\hspace{1mm}base\hspace{1mm}area\hspace{1mm}\times\hspace{1mm}height\\
120=\frac{1}{3}\times 5 \times 6 \times h; h = \frac{120}{10}=12cm\)
120=\frac{1}{3}\times 5 \times 6 \times h; h = \frac{120}{10}=12cm\)