Question : A circular arc whose radius is 4 cm makes an angle of 45º at the centre. Find the perimeter of the sector formed. (Take
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution :
A circular arc whose radius is 4 cm makes an angle of 45° at the centre.
Here, radius(
We know,
The perimeter of the sector in circle =
=
=
Hence, the correct answer is
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