Answer:
6.5
Explanation:
side a measures 6
side b measuring 2.5
we are trying to find side c
fill the values into the equation
a^2+b^2= c^2
6^2 +2.5^2= c^2
36 +6.25= c^2
42.25= c^2
square root of 42.25 is 6.5, so c=6.5
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