Explain briefly in a few sentences an outline of how you would use this figure to prove that ACD is a square .
2 answers:
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n = 2
distribute and simplify left side of equation
50 - 10n - 1 = 29
49 - 10n = 29 ( subtract 49 from both sides )
- 10n = 29 - 49 = - 20
n = = 2
The answer is C.
Hope this helps!!
Hope this helps!!