Finding Missing Angles in Geometry

The video tutorial covers the basics of angle measurement, starting with the concept of a straight line being 180 degrees. It demonstrates how to calculate missing angles by subtracting known angles from the total. The tutorial includes examples with straight lines, right angles, and more complex angles, providing a comprehensive understanding of angle calculations.

How many degrees are there in a straight line?

• 45 degrees

• 90 degrees

• 360 degrees

• 180 degrees

If angle BCD is 35 degrees, what is the measure of angle ABD in a straight line?

• 35 degrees

• 145 degrees

• 90 degrees

• 180 degrees

What is the measure of angle ABD if angle BCD is 35 degrees in a straight line?

• 90 degrees

• 35 degrees

• 145 degrees

• 180 degrees

How do you find a missing angle when given one angle in a straight line?

• Add the known angle to 180 degrees

• Subtract the known angle from 180 degrees

• Multiply the known angle by 2

• Divide the known angle by 2

What is the measure of angle ABD if angle BCD is 35 degrees in a straight line?

• 145 degrees

• 35 degrees

• 180 degrees

• 90 degrees

In a right angle, if one part measures 67 degrees, what is the measure of the other part?

• 67 degrees

• 90 degrees

• 23 degrees

• 180 degrees

What is the measure of angle CBD if angle ABD is 67 degrees in a right angle?

• 90 degrees

• 67 degrees

• 23 degrees

• 180 degrees

What is the total degree measure of a right angle?

• 45 degrees

• 360 degrees

• 180 degrees

• 90 degrees

In a right angle, if one part measures 67 degrees, what is the measure of the other part?

• 23 degrees

• 180 degrees

• 90 degrees

• 67 degrees

If angle ABC is 146 degrees and angle CBD is 84 degrees, what is the measure of angle ABD?

• 146 degrees

• 62 degrees

• 180 degrees

• 84 degrees