Question

the area of a minor sector of a circle is 3.85 cm^2 and the measure of its central angle 36degree find the radius of the circle ​

Answer 1

Answer:

R=

Step-by-step explanation:

Area of sector=x/360× pi ×r ×r

38.5=1/10×22/7×r×r

385×7/22=r×r

r×r=35/2

r=root17.5

r=4.18