Mathematics · Mensuration

A circular arc whose radius is 4 cm makes an angle of 45° at the centre. Find the perimeter of the sector formed. (Take π = 22 7 )

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

78 7 cm

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A circular arc whose radius is 4 cm makes an angle of 45&deg; at the centre. Find the perimeter of the sector formed. (Take &pi; = 22 7 )