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The circumfere of a circle is …

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The circumfere of a circle is 88 cm find the area of the sector whose central angle is 72

Posted by Chandan Kumar 6 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Rahul Ranjan Singh 6 years, 2 months ago

Circumference of circle=88cm So,2πr=88 Radius=14cm Area of sector=Φ°\360°*πr² So,72°/360°*πr² Hence,72°/360°*22/7*14*14 =123.5cm²

Chandan Kumar 6 years, 2 months ago

Thanks

Sahil ??? 6 years, 2 months ago

123.2 cm^2

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