emilystone861 emilystone861

02-05-2020
Mathematics

contestada

Find the volume of a regular triangular pyramid if it has height h=12 cm, base edge b=10 cm and height of the triangular base hb ≈ 8.7 cm.

Respuesta :

danagalsandler danagalsandler

13-05-2020

Answer:

it's 174

Step-by-step explanation:

Area of the base is .5 * 10 * 8.7 = 43.5

Volume = (1/3) * 43.5 * 12 = 174

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