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A copper wire of length 44 …

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A copper wire of length 44 cm is to be bent into a square and a circle. Which will have a larger area?

Posted by Prachi Saxena 5 years, 4 months ago

CBSE > Class 08 > Mathematics

2 answers

Prachi Saxena 5 years, 4 months ago

Thank you

Yogita Ingle 5 years, 4 months ago

The circumference of the circle=2πr=44cm

⇒2×22/7 ×r=44
⇒r= 2×22/44×7=7cm

Now, Area of the circle=πr

= 22/7 ×7×7=154cm

Now the wire is converted into square,

Then perimeter of square=44cm

⇒4× side=44

⇒ side= 4

44=11cm

Now, area of square=side×side=11×11=121cm²

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