please answer this question..............
two complementary angles differ by 18.find the angles
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the nos arr 36 and 54 respectively
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♠ Let two complementary angles be x and y.
Then., as we know the sum of two complementary angles is 90°.
x + y = 90 ° ➝ ( i )
According to the question,
x - y = 18 ° ➝ ( ii )
Now Adding equation ( ii ) from ( i ),
X + y + ( x - y ) = 90 ° + 18 °
2 x = 108 °
x = 108 ° / 2
x = 54 °
Now putting value of x in equation ( i ),
x + y = 90 °
y = 90 ° - x
y = 90 ° - 54°
y = 36 °.
➤ The required angles are 54 ° and 36°.
Then., as we know the sum of two complementary angles is 90°.
x + y = 90 ° ➝ ( i )
According to the question,
x - y = 18 ° ➝ ( ii )
Now Adding equation ( ii ) from ( i ),
X + y + ( x - y ) = 90 ° + 18 °
2 x = 108 °
x = 108 ° / 2
x = 54 °
Now putting value of x in equation ( i ),
x + y = 90 °
y = 90 ° - x
y = 90 ° - 54°
y = 36 °.
➤ The required angles are 54 ° and 36°.
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