Question

What should be the length of the golden thread needed to decorate the boundary of a photo frame whose whose each side is 30cm.

Answer 1

Measure of each side =30cm

Length of the golden thread needed to decorate the boundary of a photo frame = 4×30cm

=120cm

Hence the length of the golden thread needed to decorate the boundary of a photo frame whose whose each side is 30cm is 120cm

Answer 2

Answer:

length of a side of the frame = 30cm

perimeter = 30×4 = 120

so,

the length of the golden thread should be 120cm need to decorate the boundary of photo frame

120cm