Poll Results
Please login to vote and see the results.
Lost your password? Please enter your email address to get a reset link.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Explanation:
If circumference of circle is reduced by 50% then radius is reduced by 50%
50%=1→decrement\2→original
Reduction in area
=3\4×100=75%