Question

see question no 3 and answer

Answer 1

Perimeter of square= 4*side

Perimeter of triangle= sum of its all sides

According to the question
4a = 2 (13 + 5 + 12)
4a = 30 * 2
a = 60/4
a = 15cm

Answer 2

Answer:

Perimeter of square = S * S

Perimeter of triangle = sum of its all sides

 

4a = 2 (13 + 5 + 12)

4a = 30 * 2

a = 60/4

a = 15cm