If the perimeter of a quadrant of a circle is 11 feet, find the radius of the circle.
1. 3.08 feet
2. 7 feet
3. 14 feet
4. 21 feet
1. 3.08 feet
2. 7 feet
3. 14 feet
4. 21 feet
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Correct Answer – Option 1 : 3.08 feet
Given:
Perimeter of quadrant is 11 feet
Formula Used:
Perimeter of quadrant = πR/2 + 2R
Calculation:
(22/7 × R)/2 + 2R = 11
⇒ 50R = 11 × 7 × 2
⇒ R = 77/25 = 3.08 feet
∴ The radius of circle is 3.08 feet.