Question

This was a question from my lesson and I have no idea how they got the answer. Can anyone explain clearly how to solve this question and to obtain the answer.

Answer 1

Where's the question?

Answer 2

What is the equivalent of 90 degrees in radians?

Answer 3

they said it's pi/2

Answer 4

it is.

Answer 5

@kenysh2 how do you solve it?

Answer 6

I know you use the formula r=deg times pi/180

Answer 7

if you truly don't get your lesson i think this website breaks it down for you. http://www.mathsisfun.com/geometry/radians.html

Answer 8

sorry i couldn't really help :/

Answer 9

thank you anyway

Answer 10

@Hero do understand how to get the answer to this question: What is the equivalent of 90 degrees in radians?

Answer 11

@math2468