If the sum of two angles is 90 degrees, what are they called? (2023)

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Question: If the sum of two angles is 90 degrees, what are they called? (2023)

Options:

Correct Answer: Complementary angles

Exam Year: 2023

Solution:

Two angles whose sum is 90 degrees are called complementary angles.

If the sum of two angles is 90 degrees, what are they called? (2023)

If the sum of two angles is 90 degrees, what are they called? (2023)

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 two 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.