Question

A circular wire of radius 4 cm is cut and bent so as to tie along the circumference of a loop whose radius is 6 cm. find the measurement of the angle in degree whivh is subtended at the center of the loop​

Answer 1

Answer:

Length of circular wire of radius 7.5cm

which is cut and bent=2πr=2×π×7.5=15πcm

∴ For circular hoop

l=15πcm; r=120cm.

Let the angle between be

′

θ

′

radians, using

r

l

=θ