find an angle which is four times of its supplement
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So the supplementary angle is 120. So the complementary angle is 30. Four times the complementary is equal to the supplementary .
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➠ AnSwer :-
If Sum of any two angles is equal to
180° then they are called as
supplementary angles .
Let x , ( 180 - x ) are two
supplementary angles
➝ According to the problem given ,
x = 4( 180- x )
x = 720 - 4x
x + 4x = 720
5x = 720
x = 720/5
x = 144°
Therefore ,
One angle = x = 144°
Second angle = 180 - x
= 180 - 144
= 36°
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