Question

AB is tangent to circle O. AO=21 and BC=54 what is AB?

Answer 1

i meant BC=54

Answer 2

Is there a picture that you could attach? It is really hard to picture the circle with the information provided.

Answer 3

yea, AB is what im trying to find. I dont understand any of this.

Answer 4

Do you know phythagoras theorem?

Answer 5

yes^^

Answer 6

u know BO and AO, so can u find AB now ?

Answer 7

But how does that work with the phythagoras theorem?

Answer 8

it's 72

Answer 9

Thank you.