Question

What Will be the length of a side of the square in cm formed by joining four points on the circle whose circumference is 88cm

Answer 1

Given the circumference of circle is 220 cm

Then radius of circle =

2π

220

=

2×22

220×7

=35cm

The square inscribed in circle the diagonal of circle 2×35=70 cm

Then (side)

2

=2(radius)

2

⇒=(side)

2

=2(35)

2

⇒side=35

2

cm

So side of square =35

2

cm