Question

Radius of a circle is 21 cm. If length of arc of that sector is 55 cm, find the area of the sector.​

Answer 1

AREA OF SECTOR=LR

AREA=21×55=1155

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Answer 2

Answer:

Step-by-step explanation:

(R)= 21 cm

Length of the arc = 55cm

Area of the sector = length of arc × r

——————-——

2

= 55×21

———

2

=577.5 cm