see question no 3 and answer
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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:
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