Question

What’s the correct answer for this?

Answer 1

2.5 ft

Explanation:

As radius is perpendicular to tangent ,

LT
`\perp`KT

By pythagoras theorem:

LT² = LK² - KT²

LT² = (6.5)² - 6²

LT² = 42.25 - 36

LT² = 6.25

LT = 2.5 ft

LT = radius = 2.5 ft