Question

need help with this!

Answer 1

in POT

sinT = 5/13

T = sin^-1 5/13

ET = OT - OE = 13 - 5 = 8

in AET

tan T = AE/ET = AE/8

tan ( sin^ -1 5/13 ) = AE/8

tan ( tan ^ -1 5/12 ) = AE/8

5/12 = AE/8

AE = 5× 8/12 = 40/12 = 3.3

AB = 2× 3.3 = 6.6