Question

find the area of sector whose arc length and radius are 10cm and 5 cm respectively. ​

Answer 1

Answer:

25 cm²

Step-by-step explanation:

Length of Arc = @/360 * 2πr

10 = @/360 * 2 * 22/7 * 5

@ = (10 * 360 * 7) / (2 * 22 * 5)

@ = 114.45

Area of sector = @/360 * πr²

= 114.45/360 * 22/7 * 5 * 5

= (16.35 * 22 * 5 * 5)/ (360)

= 24.97 cm²

= 25 cm²

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