Find the base hei ght when the volume is 10,125 cubic meters.

Answer:
15 m
Step-by-step explanation:
cross-section area=1/2×45×x m ²
height = 30 m
volume=10125m³
we have
volume = cross-section area×height
10125 = ½×45×x×30
x=10125×2/(45×30)
x=15m