Name: ________________________________ Review Sheet: Angles and Triangles Date: _____________________ Class: Pre-Algebra 7 Multiple Choice: Circle the letter that best answers the question or completes the sentence. 1 Which two angles in the triangle below are complementary? 5 In the diagram below, line segment l and line segment m intersect at the center of the circle. What is the measure of x? A B 2 In the diagram below, line AB and line CD intersect at point P. 6 3 Which angle of the following triangle is the smallest? C D 137 º 143 º The angles shown below are supplementary. The measure of PQR is 2x. What expression represents the measure of STU? A 90 – 2x C 180 – 2x B 90 + 2x D 180 + 2x Name the angle that is always congruent to APD . Answer ________________________ 120º 133 º An angle was drawn below. 7 What is the vertex of angle MAP? Answer ________________________ A C U B B M D cannot be An angle was drawn below. 8 determined 4 Which one of the following sets of numbers could represent the lengths of the sides of an isosceles triangle? A {6,6,10} C {15,5,10} B {3,4,5} D {1,2,3} Name the angle in 4 different ways. Answer ____________, ____________, ____________, ____________, Short Response: Read each question carefully and answer each question below. In the diagram below, right angle ACB is intersected by DE . What are the measures of DCB, BCE, and 9 ACE? Show your work. Answer DCB degrees BCE degrees ACE degrees Brett drew the four angles shown below. 10 Part A Which pairs of angles are complementary? _____________________________________ Which pairs of angles of supplementary? _____________________________________ Part B On the lines below, explain how you determined your answers. 11 Matt received a new protractor for his birthday and immediately drew the following five angles. For each angle classification listed, match it with the angle drawn. Reflex Obtuse Acute Right Straight Extended Response: Read each question carefully and show all your work in the space provided. 13 Using the diagram below, find d. 12 Solve for x in the diagram below. Then, state the measure of the larger angle. Show all work. Show all work. Answer ___________degrees Gabrielle angles her pool cue against the edge of her pool, as shown below. 14 What is the measure of A ? Show all work. Answer mA = ___________degrees Answer d =___________ What is the measure of the exterior angle? 15 Show all work. Answer mACD ____________________degrees