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First angle=X Second angle=4x Third angle=5X-45 Since the angles of a triangle always = 180o x+(4X)+(5X-45)=180o 10X-45=180 10X=225 X=22.5 Therefore. . . First Angle=X=22.5o Second Angle=4X=90o Third Angle=5X-45=67.5o

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Q: The second angle of a triangular parking lot is four times as large as the first angle The third angle is 45 degrees less than the sum of the other two angles How large are the angles?
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