Question

An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20 cm.

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

(Please vote me Brainliest if this helped!)

The area formula is πr². Since, we are given the diameter we need to find the radius by dividing the diameter by 2.

radius = 20/2 = 10

Area = π(10)²

Area = 100π

The area of the pipe is 100π square units OR 314.16 $cm^{2}$