Question

A circular has a circumferenceof 154 metre.find its radius and also find the area.
$\pi = \frac{22}{7}$

Answer 1

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Answer 2

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❄ CIRCUMFERENCE OF A CIRCLE ❄ = 154 m

◆ WE KNOW THAT ◆

☀ CIRCUMFERENCE ☀ = 2πR

2πR = CIRCUMFERENCE

2 × 22/7 × R = 154 m

44R/7 = 154 m

44R = 154 × 7

44R = 1078

R = 1078/44

R = 24.5 m

➡ RADIUS = 24.5 m
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➡ VERIFICATION

2πR = 2 × 22/7 × 24.5

2πR = 1078/7

2πR = 154 m
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