Question

What is the perimeter of the sector with radius 21 cm?

Answer 1

hey there ❤❤

QUESTION => What is the perimeter of the sector with radius 21cm and sector 60°?
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Ur answer is here ⤵

Perimeter of sector =2r+length of arc

here r=21cm

Φ=60°

llength of Arc length of Arc =Φ/360. x 2πr
l=60/360. x 2 x 22/7 x21
l=1/6x. 2 x22 x3
l=22cm

so perimeter of sector =2x21+22
=42+22
=64cm

$<marquee > hope it's help you$ :-\❤

Answer 2

perimeter of sector =2r+length of arc

here r=21cm

Φ=60°

llength of Arc length of Arc =Φ/360. x 2πr

l=60/360. x 2 x 22/7 x21

l=1/6x. 2 x22 x3

l=22cm

so perimeter of sector =2x21+22

=42+22

=64cm