The length of hypotenuse is 39.
Step-by-step explanation:
Given,
Vertical side = a = 15
Horizontal side = b = 36
Hypotenuse = c
Using pythagorean theorem

Taking square root on both sides

The length of hypotenuse is 39.
Keywords: square root, addition
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It is the middle because the top and bottom don’t add up or make sense
You could draw a 2•5 5•2 10•1 and 1•10