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In a pair of complementary angles, if one angle measures 30 degrees, what is the

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Question: In a pair of complementary angles, if one angle measures 30 degrees, what is the measure of the other angle?

Options:

  1. 50 degrees
  2. 60 degrees
  3. 70 degrees
  4. 80 degrees

Correct Answer: 60 degrees

Solution: 

Complementary angles sum up to 90 degrees. Therefore, the other angle = 90 - 30 = 60 degrees.

In a pair of complementary angles, if one angle measures 30 degrees, what is the

Practice Questions

Q1
In a pair of complementary angles, if one angle measures 30 degrees, what is the measure of the other angle?
  1. 50 degrees
  2. 60 degrees
  3. 70 degrees
  4. 80 degrees

Questions & Step-by-Step Solutions

In a pair of complementary angles, if one angle measures 30 degrees, what is the measure of the other angle?
  • Step 1: Understand that complementary angles are two angles that add up to 90 degrees.
  • Step 2: Identify the measure of the first angle, which is given as 30 degrees.
  • Step 3: Use the formula for complementary angles: Other angle = 90 degrees - First angle.
  • Step 4: Substitute the value of the first angle into the formula: Other angle = 90 - 30.
  • Step 5: Calculate the result: Other angle = 60 degrees.
  • Complementary Angles – Complementary angles are two angles whose measures add up to 90 degrees.
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