Question

if the perimeter of a semicircular protractor is 36cm. find its diameter(π=22\7​

Answer 1

Answer:

the perimeter of semicircular protractor is

1/2x2xpiexr +2r ..... so

1/2x2xpiexr+2r= 36 (given)

aage aap khud solve krlo......

Answer 2

1/2 *2*22/7*r +2r=36
22/7*r+2r=36
r(22/7+2)=36
r(36/7)=36
r=36*7/36
r=7


D=14