Question

A chord of a circle is 30 cm long. It's distance from the centre is 8 cm. Find the radius of the circle.​

Answer 1

Answer:

17

Step-by-step explanation:

Given a chord length=30cm

Distance of it from the center is 8cm

Radius^2=(half of chord length)^2+(distance from the center^2)

r^2=15^2+8^2=225+64=289

r=17

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