Question

Ab is a tangent=8 cm and OA is radius=6 cm. Find the distance OB

Answer 1

Answer:

AB is a tangent =8cm

OA is radius=6cm

therefore OB=?

by Pythagoras theorem

(OA)2+(AB)2=(OB)2

36+64=(OB)2

100=(OB)2

OB=10cm