ABCD is a square and ABK is an equilateral triangle inside the square,
1 answer:
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<h3>Answer: x = 4</h3>
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Work Shown:
AB + BC = AC .... see diagram below
(3x)+(2x-2) = 18 ... plug in given expressions
5x-2 = 18
5x-2+2 = 18+2 ... add 2 to both sides
5x = 20
5x/5 = 20/5 ... divide both sides by 5
x = 4