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If the sum of two angles is 90 degrees, what are these angles called? (2021)

Practice Questions

Q1
If the sum of two angles is 90 degrees, what are these angles called? (2021)
  1. Complementary angles
  2. Supplementary angles
  3. Adjacent angles
  4. Vertical angles

Questions & Step-by-Step Solutions

If the sum of two angles is 90 degrees, what are these angles called? (2021)
  • Step 1: Understand what an angle is. An angle is formed by two rays that meet at a point called the vertex.
  • Step 2: Know that angles are measured in degrees. A full circle is 360 degrees.
  • Step 3: Learn that when two angles add up to 90 degrees, they have a special name.
  • Step 4: The special name for angles that add up to 90 degrees is 'complementary angles.'
  • Step 5: Remember that if you have one angle, you can find its complementary angle by subtracting it from 90 degrees.
  • Complementary Angles – Angles that add up to 90 degrees.
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