find the perimetre of a sector of a circle if it's measure is 90°and radius is 7cm
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Given: Central angle of a circle = 90° And radius of circle is 7 cm.
To find: To find the perimeter of sector of a circle.
Step-by-step explanation:
Hence, perimeter of a circle with radius 7 cm and central angle 90° is 11 cm.
Answered by
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Answer:
22 cm
Step-by-step explanation:
22÷7 ×7
7 and 7 will get cancelled
therefore, and is 22cm
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