Cross-section 79984

A ditch with a cross-section in the shape of an isosceles trapezoid with bases of 3 m and 5 m and arms of length 2 m is 2.5 meters deep and 10 meters long. How many cubic meters of soil did they have to excavate when digging it?

Correct answer:

V =  100 m3

Step-by-step explanation:

a=3 m c=5 m b=2 m h=2.5 m L=10 m  S1=2a+c h=23+5 2.5=10 m2  V=S1 L=10 10=100 m3



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