the piece of wire is bent in the shape of a equilateral triangle of side 6.6 cm It is Rebent to form a circular ring what is the diameter of the Ring
Attachments:
Answers
Answered by
18
side of triangle = 6.6 cm
so, perimeter = 6.6+6.6+6.6
=19.8 cm
and perimeter of triangle will be equal to circumference of circle as they both are made from the same wire
so, 2πr=19.8
r=(19.8×7)/2×22
=3.15 cm
and diameter = 2r
=6.3 cm
so, perimeter = 6.6+6.6+6.6
=19.8 cm
and perimeter of triangle will be equal to circumference of circle as they both are made from the same wire
so, 2πr=19.8
r=(19.8×7)/2×22
=3.15 cm
and diameter = 2r
=6.3 cm
shrawankumar3:
but answer is 6.3 cm
wait lemme check it once then
Similar questions