Question

the length of radius of circle is 6 CM then find the length of longest chord of circle

Answer 1

the longest chord in a circle is the diameter..
Hence,d=2r
d=2×6
d=12

the longest chord is 12cm..

Hope this helps..please let me know if u have any doubts

Answer 2

longest chord=diameter
diameter=radius×2
diameter=6×2=12
d=12cm