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

    If two complementary angles are in the ratio 1:9, then find the measure of the greater angle between them.

    Right Option : D
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    Explanation
    Question : 2

    If two complementary angles are in the ratio 1:9, then find the measure of greater angle between them.

    Right Option : D
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    Explanation
    Question : 3

    Which of the following pair of angles is complementary?

    Right Option : B
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    Explanation
     
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