Answer:

Step-by-step explanation:
<u>Use the Pythagorean Theorem</u>
The equation for the Pythagorean Theorem is 
* a and b are the lengths of the legs, and c is the hypotenuse.*
(To know which side is the hypotenuse look at longest side which is across the right angle).
a= x, b=8, c=9

Let's Plug in the side lengths:

Evaluate 8^2 and 9^2:

Subtract 64 from both sides:


Take the square root of both sides:

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Answer:
area of a rectangle is length multiplied by breath, which is the multiplication of 5 an 1/3
Answer:
It will be 57 points.
Step-by-step explanation:
Answer:
the 3rd one
Step-by-step explanation:
i just know
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