Name. 6b, Triangles. 1. A bridge contains beams that form triangles, as shown below.
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1 Name 6b, Triangles 1. A bridge contains beams that form triangles, as shown below. Which of the following best describes the triangle with the given measures? acute scalene triangle obtuse scalene triangle obtuse isosceles triangle D. acute isosceles triangle 2. A triangle has one side that measures 4 ft, one side that measures 6 ft, and one side that measures 8 ft. isosceles triangle equilateral triangle right triangle D. scalene triangle 3. Which of the following is false? A triangle can be drawn with more than one acute angle. A triangle can be drawn with exactly one obtuse angle. A triangle can be drawn with exactly one acute angle. A triangle can be drawn with exactly one right angle. D.
2 5. A triangle has one angle that measures 57 and one angle that measures 33. isosceles triangle obtuse triangle right triangle D. equiangular triangle 6. How many triangles exist with the given side lengths? 7 in, 7 in, 7 in More than one triangle exists with the given side lengths. Exactly one unique triangle exists with the given side lengths. No triangle exists with the given side lengths. 7. Which of the following is true? A triangle can be drawn with more than one acute angle. A triangle can be drawn with more than one obtuse angle. All of the other statements are false. A triangle can be drawn with more than one right angle. D. 8. In triangle ABC, the length of side AB is 16 inches and the length of side BC is 25 inches. Which of the 46 inches 43 inches 34 inches D. 7 inches 9. A triangle has one angle that measures 37 degrees, one angle that measures 114 degrees, and one angle that measures 29 degrees. acute triangle right triangle equilateral triangle D. obtuse triangle
3 10. Meena has a pair of blue jeans with the design below on its back pockets. Which of the following best describes the triangle with the given measures? obtuse equilateral triangle acute equilateral triangle obtuse isosceles triangle D. acute isosceles triangle 11. How many triangles exist with the given side lengths? 4 m, 4 m, 7 m Exactly one unique triangle exists with the given side lengths. No triangle exists with the given side lengths. More than one triangle exists with the given side lengths. 12. A triangle has 2 angles that measure 60. obtuse triangle equiangular triangle scalene triangle D. right triangle 13. How many triangles exist with the given angle measures? 30, 65, 85
4 14. In triangle ABC, the length of side AB is 12 inches and the length of side BC is 19 inches. Which of the 5 inches 36 inches 20 inches D. 33 inches 15. How many triangles exist with the given angle measures? 60, 60, A triangle has 2 angles that each measure 67. right triangle obtuse triangle equiangular triangle D. isosceles triangle 17. How many triangles exist with the given angle measures? 80, 50, A triangle has 3 sides that each equal 9 cm. right triangle obtuse triangle equilateral triangle D. scalene triangle
5 20. In triangle ABC, the length of side AB is 13 inches and the length of side BC is 19 inches. Which of the 37 inches 4 inches 34 inches D. 27 inches 21. How many triangles exist with the given side lengths? 3 cm, 5 cm, 9 cm Exactly one unique triangle exists with the given side lengths. More than one triangle exists with the given side lengths. No triangle exists with the given side lengths. 22. In triangle ABC, the length of side AB is 18 inches and the length of side BC is 27 inches. Which of the 36 inches 47 inches 50 inches D. 7 inches 24. In triangle ABC, the length of side AB is 11 inches and the length of side BC is 18 inches. Which of the 16 inches 5 inches 31 inches D. 34 inches 26. How many triangles exist with the given angle measures? 55, 45, 90
6 27. A triangle has 2 sides that equal 5 inches. The other side equals 3 inches. equilateral triangle right triangle obtuse triangle D. isosceles triangle 28. Which of the following are acute scalene triangles? W. X. Y. Z. W and X only W, X, and Z only W and Z only D. W, X, and Y only
7 29. Mariana made a quilt square with the design shown below. Which of the following best describes the shaded triangle with the given measures? right isosceles triangle right scalene triangle obtuse scalene triangle D. obtuse isosceles triangle 30. A triangle has one angle that measures 64 degrees, one angle that measures 39 degrees, and one angle that measures 77 degrees. equilateral triangle right triangle acute triangle D. obtuse triangle
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Geometry Basics of Geometry Precise Definitions Unit CO.1 OBJECTIVE #: G.CO.1
OBJECTIVE #: G.CO.1 OBJECTIVE Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance