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4 years ago

The radius or diameter is given. Find the missing measures to the nearest hundredth.

Mathematics

1 answer:

Fynjy0 [20]4 years ago

3 0

Answer:

For any circle of radius r

The diameter of the circle = two times of the radius = 2r

And The Circumference= C = 2πr

14. If r = 8

So, d = 2r = 2 * 8 = 16 cm

C = 2πr = 2 * π * 8 = 50.27 cm (to the nearest hundredth.)

15. If d = 9 m

So, d = 2r

∴ r = d/2 = 9/2 = 4.5 m

And C = 2πr = 2 * π * 4.5 = 28.27 m (to the nearest hundredth.)

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