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The complementary angle of supplementary angle of 130° 

  1. 50° 
  2. 30° 
  3. 40° 
  4. 70° 

Answer (Detailed Solution Below)

Option 3 : 40° 
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Detailed Solution

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Given:

One of the supplement angles is 130°.

Concept used:

For supplementary angle: The sum of two angles is 180°.

For complementary angle: The sum of two angles is 90°.

Calculation:

The supplement angle of 130° = 180° - 130° = 50°

The complement angle of 50° = 90° - 50° = 40°

∴ The complement angle of the supplement angle of 130° is 40°

Mistake PointsPlease note that first, we have to find the supplementary angle of 130° & after that, we will find the complementary angle of the resultant value.

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