Please help!! Watch help video Find the length of the third side. If necessary, write in simplest radical form.

10 units

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

let x represent the third side ( hypotenuse ) , then

x² = 7² + ( )² = 49 + 51 = 100 (take square root of both sides )

x = = 10

The third side is 10 units

answer: 8d

step-by-step explanation:

45+5= 50+5=55+5=60

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