The volume of a right pyramid is 45√3cm³ and its base is an equilateral triangle with side 6 cm. What is the height (in cm) of the pyramid?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 ie 15.
V = (1/3) × B × H
V = (1/3) × 9√3 × H
45√3 = 3√3 (H)
H = 15