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The perimeter of a sector of a circle of radius 8 cm is 25 m find the area of sector

Posted by Vivek Sharma 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Divya Garg 6 years, 11 months ago

Sry....this solution is wrong

0Thank You

Divya Garg 6 years, 11 months ago

If perimeter and radius is given,we can find the length of the arc. 25=8+8+length of arc Length of the arc =25-16=9cm Now we can find the angle of the sector 9cm= angle÷360×2×22÷7×8 Angle=5670÷88 Area of the sector=angle÷360×22÷7×8×8 =5670×22×8×8÷88×360×7 =36cmsq.

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CBSE > Class 10 > Mathematics