Perimeter of a circle is 176 cm. Find the radius and its area
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Answered by
12
Step-by-step explanation:
perimeter = 2 × 22/7 × r ( 22/7 = π )
176 = 2 × 22/7 × r
176 × 7/2 × 22 = r
28 cm = radius
Area = πr²
= 22 × 7 × ( 28 ) ²
= 22 / 7 × 784
= 2464 cm²
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Answered by
3
Answer:
Step-by-step explanation:
perimeter=circumference=2πr
176=2 x 22/7 x r
(176x7)/44 = r
28 = r or r=28
area of circle= πr²
= 22/7 x 28²
= 2463.01 cm²
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