Answer:
AC= 8.2
Explanation:
Use Pythagorean theorem a 'squared' + b 'squared' = c 'squared'
6.5'squared' + 5 'squared' = AC 'squared'
42.25 + 25 = AC 'squared'
67.25= AC 'squared' (square root AC and 67.25)
8.2m = AC
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