Q. 115.0( 5 Votes )

# In a circle of radius 35cm, an arc subtends an angle of 72° at the centre. Find the length of the arc and area of the sector.

Answer :

Given,

Radius of circle = 35cm

Angle subtend by arc = 72°

Length of arc = r×q

Since,

180° = π radius

1° =

Length of the arc =

Area of sector =

= 770 cm^{2}

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