Complementary Angles


 
 
Concept Explanation
 

Complementary Angles

When the sum of two angles is 90° then they are said to be Complementary Angles.

Two Angles are Complementary when they add up to 90 degrees (a Right Angle

Complementary Angle

Illustration: Find the complement of 60, 55 and 82.

Solution: Let the angles be x, y and z

  • X + 60 = 90. Hence x = 90 - 60 = 30
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    Sample Questions
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    Question : 1

    An angle which is complement of itself is ___________________

    Right Option : C
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    Explanation
    Question : 2

    An angle is 14^0 more than its complementary angle then angle is __________________

    Right Option : B
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    Explanation
    Question : 3

    An angle which is 7/11 times its complement is _____________.

    Right Option : B
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    Explanation
     
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