Question

find the circumference :

Answer 1

HEY BUDDY........
HERE IS UR ANSWER.........

IF WE FOLD THE FIGURE WE WILL GET A CIRCLE WITH DIAMETER OF 21cm AND HEIGHT 7cm.

SO, RADIUS = r = 21/2cm

SO, CIRCUMFERENCE OF CIRCLE = 2πr
2×22/7×21/2 = 66cm

THEREFORE, CIRCUMFERENCE OF CIRCLE IS 66cm.

HOPE U UNDERSTAND BRO ✨✨

Answer 2

Hey hi here is your answer

If we take this as a circle then diameter 21and 7 would be the height

So,

2pie r

Radius is equal to 10.5