Question

Check my Answer PLEASE

Answer 1

AB is tangent to circle O at B. The diagram is not drawn to scale. If AB = 9 and AO = 21.6, what is the length of the radius (r)? Round the answer to the nearest tenth.

A.19.6
B.15.3
C.23.4
D.12.6

It's D(12.6) Right..?

Answer 2

wheres my diagram :(

Answer 3

Use pythagoras theorem

you know the length of the longest side, and the length of one of the other sides
A^2+b^2=c^2
c^2-b^2=a^2

Answer 4

Does it matter which order i put it in?

Answer 5

@herpderpderp do you have these answers?? if so could you message them to mee? pleaseee