Triangle Congruence Proof Essentials

What is the primary structure used to organize a proof in geometry?

• One-column proof

• Three-column proof

• Four-column proof

• Two-column proof

What is the first step in starting a proof according to the video?

• Draw the diagram

• State the given information

• List all possible angles

• Identify congruent triangles

Tags

CCSS.8.G.A.2

In a two-column proof, what is placed on the left side?

• Statements observed or noticed

• Reasons for each statement

• Hypotheses

• Conclusions

What must accompany every statement in a two-column proof?

• A hypothesis

• A mathematical formula

• A diagram

• A corresponding reason

Tags

CCSS.8.G.A.5

What is the purpose of the 'given' in a proof?

• To provide a conclusion

• To offer a starting point

• To confuse the reader

• To list all the reasons

What should you look for to find congruent parts in a diagram?

• Only horizontal angles

• Only perpendicular sides

• Common sides and vertical angles

• Adjacent angles

Tags

CCSS.8.G.A.2

Which of the following is a correct way to indicate congruence of vertical angles in a proof?

• State they are perpendicular

• State they are similar

• State they are congruent because they are vertical

• State they are parallel

Tags

CCSS.7.G.B.5

What does the reflexive property imply in a geometric proof?

• An angle is 90 degrees

• Two sides are parallel

• Two angles are supplementary

• A side is equal to itself

How should you treat terms like 'midpoint' or 'bisector' in a proof?

• Only use them in complex proofs

• Assume they are always true

• Define them using mathematical terms

• Ignore them

Tags

CCSS.HSG.CO.C.9

How should you handle specific terms like 'midpoint' in proofs?

• Translate into another language

• Use only in advanced proofs

• Ignore unless specified

• Use their definitions to explain further

Tags

CCSS.HSG.GPE.B.6