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

What is the area A of the circular cross section of this pipe?

Respuesta :

maxwellekoh

Answer:

314.29

Step-by-step explanation:

Area of circular cross-section is area of the circle with diameter , d= 20; r = 20 / 2 = 10

Area = pi * r^2

= 22/ 7 *.( 10* 10)= 22* 100/ 7 = 2200 / 7 = 314.29

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