Suppose that triangle WXY is isosceles with base YX. Suppose also that m
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OpenStudy (anonymous):
Directrix (directrix):
Base angles of an isosceles triangle are congruent.
The sum of the interior angles of a triangle is 180.
So your equation of: (2x+74)+(10x+22)=180 should give a correct value for x.
What did you get for x @ashleynicolee
Directrix (directrix):
I see it. Let me check.
To get the angles, you have to evaluate their algebraic expressions with the value of x.
OpenStudy (anonymous):
you should have 12x = 84 (you subtracted incorrectly)
OpenStudy (anonymous):
120 - 96 = 84
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OpenStudy (anonymous):
x=7
Directrix (directrix):
@Easyaspi314 It is rude to "bust in" on somebody's work with an Asker.
OpenStudy (anonymous):
But, in an isosceles triangle, base angles are equal, so angle X is also 5x + 11.
OpenStudy (anonymous):
i got it! thanks!
Directrix (directrix):
@ashleynicolee What are the three angle measures?
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OpenStudy (anonymous):
X & Y are 46. and W is 88
Directrix (directrix):
Question: Find the degree measure of each angle in the triangle.
Directrix (directrix):
That's what I got.
Directrix (directrix):
@Easyaspi314 We're finished so it's your time to shine here.