Geometric Proofs: Part 2 of 3 of learning to solve proofs

The video tutorial covers two geometric proofs. The first proof demonstrates the equality of two angles, A and B, both measuring 20 degrees, using the transitive property. The second proof involves a more complex scenario with a figure containing multiple rays and bisectors. The goal is to prove that the sum of two angles equals a larger angle, using given bisectors and angle addition. The tutorial emphasizes the importance of writing out steps and using statements and reasons to arrive at the correct conclusion.

What is the measure of angle A given in the simple proof?

• 10 degrees

• 20 degrees

• 40 degrees

• 30 degrees

Which property is used to prove that angle A is equal to angle B?

• Reflexive Property

• Symmetric Property

• Transitive Property

• Associative Property

What does an angle bisector do?

• Multiplies the angle by two

• Divides an angle into two equal parts

• Adds two angles together

• Subtracts one angle from another

In the complex proof, which angle is bisected by QL?

• Angle KQM

• Angle NQP

• Angle MQP

• Angle LQN

What is the relationship between angles KQL and LQM?

• KQL is unrelated to LQM

• KQL is equal to LQM

• KQL is half of LQM

• KQL is twice LQM

What is the final expression for angle LQN in the complex proof?

• LQN = KQL * NQP

• LQN = KQL / NQP

• LQN = KQL + NQP

• LQN = KQL - NQP

What method is used to arrive at the final proof in the complex problem?

• Multiplication

• Division

• Substitution

• Addition