Question

1. The square of side 12 cm is cut on the diagonal Find the perimeter of one
triangle so formed the answer is 12(2+√2) but how
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Answer 1

Answer:

the angle between any two sides of square is 90 so we can use PGT

length os diagnol is 12^2 x2^1/2

12√2

perimeter of the triangle is 12+ 12+ 12√2

12(2+√2)

Answer 2

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