Karizmatik Karizmatik

18-11-2017
Mathematics

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The second angle of a triangular kite is three times as large as the first. The third angle is 20 degrees more than the sum of the other two angles. Find the measure of each angle. 1st angle:__ 2nd angle:_ 3rd angle:____

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vunderkid vunderkid

19-11-2017

c+20°=a+b
b=3a
a+b+c=180°
c+20°+c=180°
2c=160°
c=80°
a+b=80°+20°=100°
a=25°
b=3*25°=75°
ANSWER
1st angle is 25°
2nd angle is 75°
3rd angle is 80°

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