Question

why theta is equal to s by r.(theta=s/r)​

Answer 1

Answer:

Prove that S is equal to r theta

Or

Theta equals s over r

Or

s r theta formula

Prove that the radian measure of any angle at the centre of a circle is equal to the ratio of the arc subtending that angle at the centre to the radius of the circle.

Let, XOY be a given angle. Now, with centre O and any radius OL draw a circle.