Question

find the central angle of the sector whose radius is 10 cm and the length of the arc is 22 cm​

Answer 1

Answer:

Given that r=10.5cm and l=22cm.

360

∘

θ

×2πr=l

i.e.

360

∘

θ

×2×

7

22

×10.5=22

∴θ=22×360

∘

×

2

1

×

22

7

×

10.5

1

=120

Answer 2

Answer:

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