Answer:

Solution:
According to the Pythagorean Theorem, is that the square of the hypotenuse is equal to the sums of squares of the two legs in which if you take the square root of the sum you are going to get the actual length of the hypotenuse but the two legs are already squared so all you have to do now is sum them and take the square root of it.

Answer:

Step-by-step explanation:
When
, we have
.
Combining like terms on the right side, we have
.
Finally, dividing by
we get
.
We note that
and
, so
.
So,
and we're done!
If you don’t your answer will not be correct also when you use them it helps you find the correct answer