A wire of length 44cm is bent to form a circle. find the radius and the area
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Answered by
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Step-by-step explanation:
let the radius be r
circumference of circle is equal to 44 cm
2×22÷7×r = 44cm
Hence r is equal to 7 cm
Answered by
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Length of wire = 44 cm
Radius of circle = 2πr = 44
= 2 × 22/7 × r = 44
= 22/7 × r = 44/2
= 22/7 × r = 22
= r = 22 × 7/22
= 7 cm.
Area of circle = πr²
= 22/7 × 7²
= 22/7 × 49
= 22 × 7
= 154 cm².
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