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### Grade 8 - Mathematics3.36 Area of a Sector - II

 Example: The arc of a sector whose radius is 9cm. is 15 cm. Find its area. Solution: A = lr/2 Given that, l = 15cm. and r = 9cm. A = (15 * 9)/2 A = 135/2 A = 67.5 Sq. cm. Directions: Solve the following problems and correct the answer at two decimal place. Also write at least ten examples of your own.
 Q 1: The arc of a sector whose radius is 9.6 cm. is 16.7 cm. Find its area.None of these80 Sq. cm.80.16 Sq. cm. Q 2: The arc of a sector whose radius is 9 cm. is 16 cm. Find its area.72.5 Sq. cm.72 Sq. cm.None of these Q 3: The arc of a sector whose radius is 6 cm. is 9.4 cm. Find its area.None of these28.2 Sq. cm.28 Sq. cm. Q 4: The arc of a sector whose radius is 7 cm. is 20 cm. Find its area.70.5 Sq. cm.None of these70 Sq. cm. Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!

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