SOLUTION: In an isosceles right triangle , the square of the hypotenuse is 98cm^2. Find the length of the congruent sides

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Question 465269: In an isosceles right triangle , the square of the hypotenuse is 98cm^2.
Find the length of the congruent sides
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Using the Pythagorean Theorem

  x^2 + x^2 = 98cm^2

  2x^2 = 98cm^22

   x^2 = 49cm^2

   x = 7cm