Answer:
56 cubic millimeters
Explanation:
According to the question,a gemstone was cut in the shape of a triangular pyramid. The area of the base of the pyramid is 42 square millimeters. The height of that very pyramid is 4 millimeters. What is the volume of the gemstone?
Recall that the volume of a triangular pyramid is 1/3 × A × H
Where A is the has area
H is the height of the pyramid
And since we were provided with the base area,we can proceed to finding the volume if this very gemstone.
1/3 × 42 × 4
= 168/3
= 56 cubic millimeters.
The above is the volume of the gemstone