Question

In each figure line AB is tangent to circle O.Find the value of x to the nearest value.

Answer 1

@aaronq

Answer 2

@nincompoop

Answer 3

@undeadknight26

Answer 4

@rational

Answer 5

@Legends

Answer 6

angle aob will be a right angle so you can use the pythagoras theorem

Answer 7

* correction angle oab is a right angle

Answer 8

ok?

Answer 9

ok

Answer 10

so triangle oab is a right angled triangle
and x^2 = 20^2 + 21^2

now you can find x