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Which of the following pairs of angles are complementary?

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Question: Which of the following pairs of angles are complementary?

Options:

  1. 30 degrees and 60 degrees
  2. 45 degrees and 45 degrees
  3. 90 degrees and 0 degrees
  4. All of the above

Correct Answer: All of the above

Solution: 

Complementary angles are two angles whose sum is 90 degrees. All the given pairs meet this criterion.

Which of the following pairs of angles are complementary?

Practice Questions

Q1
Which of the following pairs of angles are complementary?
  1. 30 degrees and 60 degrees
  2. 45 degrees and 45 degrees
  3. 90 degrees and 0 degrees
  4. All of the above

Questions & Step-by-Step Solutions

Which of the following pairs of angles are complementary?
  • Step 1: Understand what complementary angles are. They are two angles that add up to 90 degrees.
  • Step 2: Look at the pairs of angles given in the question.
  • Step 3: For each pair, add the two angles together.
  • Step 4: Check if the sum of each pair equals 90 degrees.
  • Step 5: If the sum is 90 degrees, then that pair of angles is complementary.
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