The short leg of a 90-45-45 triangle is 3 and the long leg is 7. The hypotenuse would be .
The Pythagoras theorem states that the square of the longest side must be equal to the sum of the square of the other two sides in a right-angle triangle.
The short leg of a 90-45-45 triangle is 3 and the long leg is 7.
Since this is a right triangle, we can use the Pythagoras theorem
a^2+b^2 = c^2
where a and b are the legs and c is the hypotenuse
Hence, The hypotenuse would be .
Learn more about Pythagoras theorem;
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