The perimeter of a sector of a circle of radius 14 cm is 68 cm. Find the area of the sector. ( Ans. is 280 cm)
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The area of the sector is 280 cm².
Step-by-step explanation:
Given : The perimeter of a sector of a circle of radius 14 cm is 68 cm.
To Find : The area of the sector ?
Solution :
Perimeter of a sector = Twice of radius + length of arc
i.e.
The length of arc is 40 cm.
The formula of length of arc is
The area of the sector is
Therefore, the area of the sector is 280 cm².
#Learn more
A rhombus has a perimeter of 68 cm and diagonal of 30 cm . Find the area of the rhombus.
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