sxrknifing420
sxrknifing420
06-07-2018
Mathematics
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Find the value of x
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altavistard
altavistard
06-07-2018
This is an isosceles triangle. The three interior angles must add up to 180 degrees: 2(6x+4)+18x-8 = 180.
Then 12x + 8 + 18x - 8 = 180, so that 30x = 180 and x = 6 (answer).
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