Question

15) If the the area of an isosceles
right triangle is 8cm² .find the perimeter.​

Answer 1

Answer:

1/2a^2 = area of isoceless right angle triangle..so a=4

so sides are 4,4,√4^2+4^2=√32=4√2(by Pythagoras theory)

so perimeter is 4+4+4√2=8+4√2

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Answer 2

Step-by-step explanation:

perimeter = 2x+y=4+4+4√2=8+4√2