Question

the perimeter of a square is twice the perimeter of a triangle whose sides are 9 cm 3cm 10 cm find the length of the side of the square​

Answer 1

perimeter of the traingle= 9+3+10=22 cm

now perimeter of the square= 2×22=44

we know perimeter of square = 4×side

4×side= 44

side =44÷4=11

side of the square= 11cm