Can someone please help me with this question??

75.4 ft^3

Step-by-step explanation:

Its substitution. So the radius is 3 (6/2) and the height is 8. So 3*8 = 24 * pi = 75.3982.. - rounded that equals 75.4.

Step-by-step explanation:

In a Pentagon sum of angle is 540

Given two remaining angles are same

Let remaining angle is X,X

So

118+84+84+X+X=540

2X=540-286

X=254/2

X=127.

Remaining angles are 127,127