If angle A is 30 degrees and angle B is its complement, what is the measure of a

Practice Questions

Q1
If angle A is 30 degrees and angle B is its complement, what is the measure of angle B?
  1. 60 degrees
  2. 90 degrees
  3. 30 degrees
  4. 150 degrees

Questions & Step-by-Step Solutions

If angle A is 30 degrees and angle B is its complement, what is the measure of angle B?
  • Step 1: Understand that the complement of an angle is what you need to add to it to make 90 degrees.
  • Step 2: Identify the measure of angle A, which is given as 30 degrees.
  • Step 3: Use the formula for finding the complement: Complement = 90 degrees - angle A.
  • Step 4: Substitute the value of angle A into the formula: Complement = 90 - 30.
  • Step 5: Calculate the result: 90 - 30 = 60 degrees.
  • Step 6: Conclude that angle B, which is the complement of angle A, measures 60 degrees.
  • Complementary Angles – Complementary angles are two angles whose measures add up to 90 degrees.
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