True or False: The Corresponding Angles Theorem states that if two parallel lines are cut by a transversal then the pair of corresponding angles are supplementary.

Which of the following describes and ?

Which of the following theorems is used only to prove the congruence of two right triangles?

Line is perpendicular to line where both lines are the diameter of the circle. From this information triangle must be a(n) _______ triangle.

Consider the parallelogram below. From what you know about parallelograms and our theorems for congruence in triangles, prove that triangles and are congruent.

The seat of a swing on a swing set is attached to the top horizontal bar by two chains that are exactly inches from each other and of equal length. The seat of the swing is also inches. Which of the following statements describes the geometric relationship between one of the chains and the horizontal bar it is attached to?

Which of the following is the definition of a parallelogram?

True or False: The sine of any acute angle is equal to the cosine of its complement.

Which of the other triangles is similar to ?

Which of the following expressions properly states the Law of Sines? Use the following triangle for reference.