Question

find radius of circle.​

Answer 1

by central division of chords

$8 \times 8 = 4 \times x$

$64 = 4x$

$64 \div 4 = x$

x

$= 16$

the diameter of circle is = 4+16 = 20 then

radius =d/2 = 20/2

= 10cm..

l hope it help u..