Question

a wire in the form of a semicircle of radius 8 cm is bent and placed along the circumference of a circular loop. It subtends an angle of 30 degrees at the center of the loop, find the radius of the loop

Answer 1

Answer:

Step-by-step explanation:

radius=8cm

c=2*pi*r

c=2*8*pi

c=16pi

suppose radius of loop is r

c=2*pi*r

perimeter of loop =r*θ

                      16*pi =r*30

r=16*pi/30

r=50.24/30

r=1.67

Answer 2

Answer:

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