Question

if in two circles arcs of the same length subtends angles 60 degree and 75 degree at the centre find the ratio of their radii

Answer 1

See the ans in attach file

Answer 2

Answer:We know that length of an arc is given by,

S = R*X , where X = angle subtended by the arc at center in degrees.

Using this,

S = A*60

S = B*75 ,

ratio of radii = A/B = 75/60 = 5/4

Step-by-step explanation: