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ΔABC is an equilateral triangle. m∠A = (3x - 12)°. Solve for x
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ΔABC is an equilateral triangle. m∠A = (3x - 12)°. Solve for x

User Bowman Zhu
by
8.3k points

2 Answers

2 votes
The answer is: x = 24° .
____________________________________

Explanation: 3(3x - 12) = 180 ; solve for "x" .
__________________________________
9x - 36 = 180 ;

9x = 216 ;

x = 24
__________________________________
User Wankata
by
7.8k points
5 votes
3x-12=60°
3x-12+(12)=60+(12)
3x=72
3x÷(3)=60÷(3)
x=24
User Rohithpoya
by
7.5k points
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