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If two angles are supplementary and one angle measures 40 degrees, what is the m

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Question: If two angles are supplementary and one angle measures 40 degrees, what is the measure of the other angle?

Options:

  1. 40 degrees
  2. 50 degrees
  3. 140 degrees
  4. 180 degrees

Correct Answer: 140 degrees

Solution: 

Supplementary angles add up to 180 degrees, so the other angle measures 180 - 40 = 140 degrees.

If two angles are supplementary and one angle measures 40 degrees, what is the m

Practice Questions

Q1
If two angles are supplementary and one angle measures 40 degrees, what is the measure of the other angle?
  1. 40 degrees
  2. 50 degrees
  3. 140 degrees
  4. 180 degrees

Questions & Step-by-Step Solutions

If two angles are supplementary and one angle measures 40 degrees, what is the measure of the other angle?
  • Step 1: Understand that supplementary angles are two angles that add up to 180 degrees.
  • Step 2: Identify the measure of the first angle, which is given as 40 degrees.
  • Step 3: Use the formula for supplementary angles: 180 degrees - measure of the first angle.
  • Step 4: Calculate the measure of the other angle: 180 - 40 = 140 degrees.
  • Step 5: Conclude that the measure of the other angle is 140 degrees.
  • Supplementary Angles – Supplementary angles are two angles whose measures add up to 180 degrees.
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