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?

Question

asked Aug 25, 2021 209k views

1 Answer

Nilani Algiriyage · Answer 1 · 2021-08-31T03:13:02+0000

Answer:

314.29

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