The base of a right pyramid is a square of side 40 cm long. If the volume of the pyramid is 8000 cm3, then its height is :
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base of pyramid is a square of side = 40cm
let height = h
volume = 1/3 × 40^2 × h = 8000
=> 1/3 × 1600 × h = 8000
=> h = 8000×3/1600
=> h = 15 cm
height is 15 cm
let height = h
volume = 1/3 × 40^2 × h = 8000
=> 1/3 × 1600 × h = 8000
=> h = 8000×3/1600
=> h = 15 cm
height is 15 cm
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