Question

Find length of arc of circle whose measure is 90° and radius is 7cm ​

Answer 1

Answer:

11

Step-by-step explanation:

Since the Central angle is 90

∘

, it means it is a Quad-circle.

Now, radius =7cm

Then, length of the arc = Perimeter/4

Perimeter of the Quad-circle =

4

2πr

=

4

2∗

7

22

∗7

=11cm