Its due tonight, please help

using:

a^2 + b^2 = c^2

let: a = x,b = 16,c = 20.

hence:

x^2 + 16^2 = 20^2

x^2 = 20^2 - 16^2

x^2 = 400 - 256

x^2 = 144

taking the square root of both sides:

gives, x = 12.

step-by-step explanation:

1. the cylinder is a. 54

2.   a.108 /

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