Math, asked by gakharanshup9n3an, 4 months ago

in a circle of radius 21 cm an arc subtends an angle of 270 degrees at the centre find the length of the arc??

plz answer fast​

Answers

Answered by sanu21gavit
1

r = 21 cm

ø = 270

length of arc = ø/ 360 x π r ^2

= 270/ 360 x 22/7 x 21 x21

= 2079/2

= 1038.5

Attachments:
Answered by ankitbhardwaj08285
1

Answer:

99 cm is the right answer.

Step-by-step explanation:

=270°/360°×(2πr)

=270°/360°×2(22/7)21

by solving above numerical

=99cm

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