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help fast pleaese Given a pyramid l = w = 9.0 mm and V = 324.0 cubic mm , find h in mm.


(Enter a numerical answer)

Respuesta :

bayosanuade

Answer: h = 12mm

Step-by-step explanation:

The volume of a pyramid is given as :

V = [tex]\frac{1}{3}[/tex] lwh

Therefore:

324 = [tex]\frac{1}{3}[/tex] lwh

324 x 3 = 9 x 9 x h

Therefore:

h = 972/81

h = 12mm

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