If the length of hypotenuse of an isosceles right angled triangle is 10root2 cm then find its perimeter and area.
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In an isosceles right-angled triangle two sides are equal.
If one side is 10cm then the other side is also 10cm
The hypotenuse is the biggest side
∴,(hypotenuse)2=102+102
⇒hypotenuse=2×100=102cm
∴ its perimeter=10+10+102=20+102cm
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