Question

If circumference of a circle is 274 cm than find out it's radius.​

Answer 1

Given,

Circumference = 274cm

as we know that the circumference of a circle is 2 pie r

So, 2×22/7×r=274

r=(274×7)/2×22

r=43.59 (approx.)

Answer 2

Given :-

• Shape = Circle
• Circumference of the Circle = 274cm

To Find :-

• Radius of the Circle.

Solution :-

★ Radius of the Circle ★

⇒ Circumference of Circle = 2πr

⇒ 274 = 2 × 22/7 × Radius

⇒ 274/2 = 22/7 × Radius

⇒ 137 = 22/7 × Radius

⇒ 137 × 7/22 = Radius

⇒ 959/22 = Radius

⇒ 43.59 = Radius

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Verification :-

⇒ Circumference of Circle = 2πr

⇒ 274 = 2 × 22/7 × 43.59

⇒ 274 = 1917.96 / 7

⇒ 274 = 274

Hence, Verified

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So, Radius of the Circle is 43.59cm

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