A triangular prism has a base with area 45 cm2 and height 14 cm. If 10% of the prism is hollowed out for wiring, what is the volume of the solid part?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 567 cm3
Volume of prism = base area × height
Volume = 45 × 14
Volume = 630 cm3
Solid part = 90% of volume
Solid volume = 630 × 90/100
Solid volume = 630 × 9/10
Solid volume = 567 cm3