A triangular prism has base area of 25 cm². If height is increased by 20%,…
2025
A triangular prism has base area of 25 cm². If height is increased by 20%, what is the new volume (original
height was 10 cm)?
- A.
250 cm³
- B.
275 cm³
- C.
300 cm³
- D.
225 cm³
Attempted by 1 students.
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Correct answer: C
Original volume = base area x height = 25 x 10 = 250 cubic cm. Increasing height by 20% makes it 12 cm, so the new volume is 25 x 12 = 300 cubic cm.