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What is the measure of AC? Enter your answer in the box. Enter only the numerical value.

What is the measure of AC? Enter your answer in the box. Enter only the numerical value.
asked 116k views
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What is the measure of AC?
Enter your answer in the box. Enter only the numerical value.

What is the measure of AC? Enter your answer in the box. Enter only the numerical-example-1
asked
User Ziyuan
by
7.6k points

1 Answer

3 votes

Check the picture below.


3x-1.5=\cfrac{3x+9}{2}\implies 6x-3=3x+9\implies 3x-3=9 \\\\\\ 3x=12\implies x=\cfrac{12}{3}\implies x=4\hspace{10em}\stackrel{ 3(4)+9 }{\boxed{\widehat{AC}=21^o}}

What is the measure of AC? Enter your answer in the box. Enter only the numerical-example-1
answered
User DoubleYou
by
8.7k points
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