1.) For # 1 - 16 answer True or False. Two rays that have the same endpoint form an angle. True False - - 2.) Two triangles with sides of equal length are congruent. True False - - 3.) An angle measuring 112o is called acute. True False - - 4.) Vertical angles have the same measure. True False - - 5.) The sum of the measures of the angles of a triangle is 360o. True False - - 6.) If two angles of a triangle are 21o and 74o, then the third angle is 82o. True False - - 7.) A line segment is a piece of line with two endpoints. True False - - 8.) A right triangle is a triangle with an angle measuring 90o. True False - - 9.) Use these figures for # 11 and 12. The triangles in figure 11 are congruent. True False - - 10.) The triangles in figure 12 are congruent. True False - - 11.) Parallel lines never intersect. True False - - 12.) The above lines are perpendicular. True False - - 13.) Similar triangles have congruent angles. True False - - 14.) If angle BAC = angle EDF, angle ACB = angle DFE, and AC = DF, then triangle ABC is congruent to Triangle DEF. True False - - 15.) A point has location and area. True False - - 16.) If the lines in figure A are perpendicular, they form 4 equal angles of 900. True False - - 17.) Use these figures for # 17 and 18. If these are similar triangles and AC = 4, CB = 6, and DF = 6, then FE = _______. 9 11 13 15 18.) If these are similar triangles and AB = 4, CB = 6, and DE = 10, then EF = _______. 10 13 15 17 19.) Simplify: √196 11 12 13 14 20.) √169 12 13 14 15 21.) __________ is a perfect triple. 8, 16, 24 12, 16, 24 14, 22, 30 15, 36, 39 22.) The legs of a right triangle are ________ congruent. sometimes always never equally 23.) The Pythagorean Theorem works on ____________ triangles. all acute right straight 24.) If a = 12 and b = 4, then c = _________ 14 16 √148 √160 25.) If a = 2 and b = 8, then c = _________ √56 √63 √68 √72 26.) Find the surface area of a cylinder if: h = 6 m r = 4 m 172.2 sq m 196.3 sq m 212.3 sq m 251.2 sq m 27.) Find the surface area of a cone if: h = 12 m r = 2 m s = 9 m 69.1 sq m 72.1 sq m 72.3 sq m 76.9 sq m 28.) Find the surface area of a rectangular prism if: l = 13 m w = 4 m h = 8 m 245 sq m 326 sq m 376 sq m 396 sq m 29.) What is the perimeter of the star shown in the following illustration? All the side lengths are equal (3 feet). 3 ft 30 ft 34 ft 60 ft 30.) What is the area of the polygon shown in the following illustration? Length is 8 m, height is 10 m, and the height of the triangle measures 4 m. 60 sq m 80 sq m 120 sq m 100 sq m