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 5/13 times its complement is _____________.

    Right Option : B
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    Question : 2

    Two complementary angles are such that two times the measure of one is equal to three times the measure of the other. The measure of the smaller angle is  ____________________

    Right Option : C
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    Explanation
    Question : 3

    The complementry angle of 30degree is

    Right Option : A
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    Explanation
     
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