Question

please solve these 3 question

Answer 1

1. The wire is bent into a rectange. Then its length and breadth are givibg the perimeter of it, through the formula 2*L+B. Then the same wire is rebent into a square then its perimeter will be the same as the perimeter of rectangle. The perimeter will be 2*40+20
2*60
120cm.
perimeter of rectangle = perimeter of square.
120cm = 120cm.
Then one side of the square will be p/4
120/4
30cm is the answer