-54 i believe
Explanation: used calculator
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Answer: 
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Given: 
Find: 
Solution: The diagonal length can be easily determined using an equation which uses the side length of a square multiplied by the square root of 2. All we need to do is plug in the values and simplify the expression.
<u>Plug in the values</u>
<u>Simplify the expression</u>
Looking at the answer options that have been provided, the option that best fits our scenario is option A, 13.
The answer is first not likely then did not use data hope it helps <span />
I don’t know how old this is but hopefully I’m not too late it’s 17 7+10=17 it is NOT 70 ♀️