Q. 6 B5.0( 1 Vote )

# Find the central angle of a sector of a circle having

area 462 cm^{2} and radius 21 cm

Answer :

Given:

radius (r) = 21 cm

central angle = ?

area of sector = 462 cm^{2}

As we know,

Area of sector =

⇒ central angle = 120°

Rate this question :

Find the arc length, area and perimeter of the sector with

radius 4.9 cm and central angle 30°

Tamilnadu Board Math Term-IIIFind the area and perimeter of the sector with

radius 20 cm and arc length 25 cm.

Tamilnadu Board Math Term-IIIFind the area and perimeter of the sector with

radius 10 cm and arc length 33 cm.

Tamilnadu Board Math Term-IIIFind the arc length, area and perimeter of the sector with

radius 21 dm and sector angle 240°

Tamilnadu Board Math Term-IIIFind the arc length, area and perimeter of the sector with

radius 15 cm and sector angle 63°

Tamilnadu Board Math Term-IIIFind the area and perimeter of the sector with

radius 12 cm and arc length 15.25 cm.

Tamilnadu Board Math Term-IIIFind the area and perimeter of the sector with

radius 55 cm and arc length 80 cm.

Tamilnadu Board Math Term-IIIFind the arc length of the sector of radius 14 cm and area 70 cm^{2}

Find the angle subtended by an arc 88 cm long at the centre of a circle of radius 42 cm.

Tamilnadu Board Math Term-IIIFind the arc length, area and perimeter of the sector with

radius 21 cm and central angle 60°

Tamilnadu Board Math Term-III