Question

The length of the tangent to circle from a point 18cm away from its centre is 17cm.Find the radius of the circle?
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Answer 1

Step-by-step explanation:

here is your answer. it is solved using Pythagoras theorem...hope it helps:)

Answer 2

Answer:

(18)^2=(17)^2+(radius)^2

(18)^2-(17)^2= (radius)^2

(18-17)(18+17)= (radius)^2

√35=(radius)

radius=5.9 {approx}