WAEC - Mathematics (1996 - No. 21)
Find, correct to 1 decimal place, the volume of cylinder of height 8cm and base radius 3cm. [Take π = 3.142]
503.0cm3
300.0cm3
250.0cm3
226.2cm3
150.9cm3
Vysvětlení
Volume =\(\pi\)r2h = 3.142 x 3 x 3 x 8
=72 x 3.142 = 226.2cm3
=72 x 3.142 = 226.2cm3