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Let x represent the larger angle and y the smaller. Solve the following:
x+y=180
x-y=40
The second equation tells us that x=y+40. Plugging this into the first equation, we get,
(y+40)+y = 180
2y+40=180
2y=180-40=140
y=140/2=70
So, y=70 and x=70+40=110.
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What is the third angle of a triangle if the sum of the other two angles is 148 degrees?
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What angles do a scalene triangle have?
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What is the definition of supplementry angle?
Supplementary angles are angles whose sum is 180 degrees.
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