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21 votes
CAN ANYONE HELP PLEASE

CAN ANYONE HELP PLEASE-example-1

2 Answers

10 votes

Answer:

x = 8

Explanation:

Every angle in an EQUILATERAL triangle = 60°

so 9x -12 = 60

9x = 72

x = 8

User Zistoloen
by
4.2k points
6 votes

Explanation:


9x - 12 = (180)/(3) = 60 \\


9x = 60 + 12


9x = 72


x = (72)/(9) \\


x = 8

hence the value of x is 8...

User Karelv
by
4.2k points