Mathematics
Grade-7
Easy

Question

Identify the pair of complementary angles.

  1. x°, 90° - x    
  2. x°, 90° + x    
  3. x°, 90° × x    
  4. x°, 90° ÷ x    

hintHint:

x°+90° - x = 90°

The correct answer is: x°, 90° - x


    If the sum of two angles is 90 degrees, then we say that they are complementary. Thus, the complement
    of an angle is obtained by subtracting it from 90.
    So, that pair of the angles are x°, 90° - x
    x°+90° - x = 90°

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