WAEC - Mathematics (1997 - No. 16)
The cross-section of a prism is a right-angled triangle 3cm by 4cm by 5cm. The height of the prism is 8cm. Calculate its volume
48cm3
6Ocm3
96cm3
120cm3
24Ocm3
Explicaţie
Volume = base area x height
= 1/2 x 4 x 3 x 8
= 48cm3
= 1/2 x 4 x 3 x 8
= 48cm3