Mathematics for IGCSE & O level - Mensuration (Section 11 - No. 36)
A chocolate box is in the shape of a triangular prism. Calculate its volume. The triangle is 6.2cm height, 5cm base and prism is 12cm long.
186 cm³
190 cm³
180 cm³
170 cm³
คำอธิบาย
Area of triangle = 1/2 * base * height = 1/2 * 5 * 6.2 = 15.5cm². Volume = 15.5 * 12 = 186 cm³