Multiple choice

The base of a right pyramid is a square of side 80 cm and the volume of the pyramid is 80000 cm3. Find the height of that pyramid.

  1. 27.5 cm

  2. 37.5 cm

  3. 12.5 cm

  4. 8.5 cm
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The volume of a pyramid is (1/3) × base area × height. The base is a square of side 80 cm, so base area = 6400 cm². Setting 80000 = (1/3) × 6400 × h and solving: h = (80000 × 3) / 6400 = 240000/6400 = 37.5 cm.

Keep practicing — related questions