How to find Triangle Missing Angles

The video tutorial explains how to find the measure of angle C in triangle ABC, given that angles A and B sum to 47 degrees. The instructor guides viewers through the process of using the triangle angle sum property, which states that the sum of all angles in a triangle is 180 degrees. By subtracting the sum of angles A and B from 180, the measure of angle C is determined to be 133 degrees. The tutorial concludes with a light-hearted comment.

In triangle ABC, if the sum of angles A and B is 47 degrees, what is the measure of angle C?

• 90 degrees

• 133 degrees

• 180 degrees

• 47 degrees

What is the total sum of angles in any triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

If angles A and B in a triangle add up to 47 degrees, how do you find angle C?

• Divide 180 by 47

• Multiply 47 by 2

• Subtract 47 from 180

• Add 47 to 180

What mathematical operation is used to find the remaining angle in a triangle when two angles are known?

• Division

• Multiplication

• Addition

• Subtraction

What is the measure of angle C if angles A and B are 47 degrees together?

• 47 degrees

• 133 degrees

• 90 degrees

• 180 degrees