Question

QUESTION :-

A grain silo is built from two right circular cones and a right circular cylinder with internal measurements represented by the figure above. Of the following, which is closest to the volume of the grain silo, in cubic feet?

(A) 261.8

(B) 785.4

(C) 916.3

(D) 1047.2​

Answer 1

Answer:

$\pi {r}^{2} h \div 3$

$\frac{22}{7} \times {5}^{2} \times 5 \div 3$

$\frac{22 \times 25 \times 5}{7 \times 3}$

$\frac{2750}{21}$

$130.9 {m}^{2} \times 2 = {261.8m}^{2}$

$\pi {r}^{2} h$

$\frac{22}{7} \times {5}^{2} \times 10$

$\frac{22 \times 25 \times 10}{7}$

$785.7$

Answer 2

Answer:

Correct option is D)

and the solveing method in attachment

Note: reffer the attachment

Step-by-step explanation:

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