Question

The radius of a sector is 21cm and its central angle is 240degree. Find the area of the sector


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Answer 1

Answer:

44

Step-by-step explanation:

circumference=2×(22/7)×r

here,r=21

so,circumference=44/7×21

=132

c of sector=(angle/360)×total c

=(120÷360)×132

=132÷3

=44

hope it will help