What is the sum of the interior angles of any triangle?
What is an equilateral triangle?
What is an isosceles triangle?
What is a scalene triangle?
State the Pythagorean Theorem.
What are the side lengths of a 30-60-90 triangle in ratio form?
Hint: The short leg is opposite the 30-degree angle
What are the side lengths of a 45-45-90 triangle in ratio form?
What does SSS (Side-Side-Side) congruence mean?
What does SAS (Side-Angle-Side) congruence mean?
What does ASA (Angle-Side-Angle) congruence mean?
What does AAS (Angle-Angle-Side) congruence mean?
Why is SSA (Side-Side-Angle) NOT a valid congruence postulate?
What is the Triangle Inequality Theorem?
What is the Exterior Angle Theorem?
What is the Pythagorean Theorem?
What are the five ways to prove triangles congruent?
Hint: SSA (donkey theorem) does NOT work
What does SSS stand for in triangle congruence?
What does SAS stand for in triangle congruence?
Why doesn't AAA prove congruence?
What makes two triangles similar?
What are the side ratios in a 30-60-90 triangle?
What are the side ratios in a 45-45-90 triangle?
What is the Triangle Inequality Theorem?
What is the Isosceles Triangle Theorem?
What are the three common Pythagorean triples?