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What is the measure of each angle in a triangle if one angle is 40 degrees and t

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Question: What is the measure of each angle in a triangle if one angle is 40 degrees and the other is 60 degrees? (2019)

Options:

  1. 80 degrees
  2. 100 degrees
  3. 120 degrees
  4. 140 degrees

Correct Answer: 80 degrees

Exam Year: 2019

Solution: 

The sum of angles in a triangle is always 180 degrees. If one angle is 40 degrees and another is 60 degrees, the third angle is 180 - (40 + 60) = 80 degrees.

What is the measure of each angle in a triangle if one angle is 40 degrees and t

Practice Questions

Q1
What is the measure of each angle in a triangle if one angle is 40 degrees and the other is 60 degrees? (2019)
  1. 80 degrees
  2. 100 degrees
  3. 120 degrees
  4. 140 degrees

Questions & Step-by-Step Solutions

What is the measure of each angle in a triangle if one angle is 40 degrees and the other is 60 degrees? (2019)
  • Step 1: Remember that the sum of all angles in a triangle is always 180 degrees.
  • Step 2: Identify the angles you have. One angle is 40 degrees and the other is 60 degrees.
  • Step 3: Add the two known angles together: 40 + 60 = 100 degrees.
  • Step 4: Subtract the sum of the known angles from 180 degrees to find the third angle: 180 - 100 = 80 degrees.
  • Step 5: Conclude that the measure of the third angle is 80 degrees.
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