Question

Ab is tangent to circle O at A.
IF AO=30 and BC=48 what is AB?

Answer 1

Please see your question again .

Answer 2

72?

Answer 3

\[=\sqrt{\left( 78+30 \right)\left( 78-30 \right)}=\sqrt{108*48}=\sqrt{9*4*3*16*3}=3*2*4*3=72\]
You are correct.

Answer 4

\[\frac{ x }{ 12 }=\frac{ 21 }{ 9 },x=\frac{ 21 }{ 9 }\times12=?\]

Answer 5

28

Answer 6

correct