This is sorta late, but here's the answer for the people who are going to be searching it up in the future:
The first one is sum
The second one is equal to
The third one is 35
Good luck, guys!!
Answer: The Theorem states that the (sum) of the squares of the legs is (equal to) the square of the hypotenuse
the missing length is (35) feet
Step-by-step explanation: took the test
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