An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20
What is the area A of the circular cross section of this pipe?
Give your answer in terms of pi.

your answer would be b

step-by-step explanation:

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

m∠a is 90°

m∠b is 40°

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076