self Maths Puzzle

A wire bent in the form of a square, covers an area of 121 sqcm. how much area it covers if the wire i bent in the form of a circle?

Read Solution (Total 1)

Area of Square=121sqm
side=11m
perimeter=4*11=44
perimeter of circle=2*pi*r=44
r=7
area of circle=154sqm
11 years agoHelpfull: Yes(5) No(0)

self Other Question

find no. of 3 digit integers whose sum of digits is 16 find no. the 3 digit numbers between 100 and 500 such that sum of two digits is equal to third digit.