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Name:_____________ Date: ____________ Quiz Review 4.1-4.5 Follow directions and show all work for credit. Classify each triangle by its angles (acute, obtuse, or right) and by its sides (scalene, isosceles, or equilateral). 1. 2. 3. _________ ___________ angles sides _________ _________ angles sides ___________ _________ angles sides 4) A triangle has the given vertices. Graph the triangle classify it by its sides (scalene, isosceles, or equilateral). Then determine if it is a right triangle. A(-2, 5), B(-4, 1), C(2, -2) AB=_______ AC=_______ BC=_______ Sides: ___________ Right? : yes / no 6. In the diagram, ≅ . Find the value of x & y. x=_______ B 81° 116° y=_______ A C 70° 3 + 12 cm H D 6 − 9 cm E G (8 − 36)° F Find the value of x and y. (3 + 8)° 7. x=_______ 8. y=_______ 5° ° 38° For #9-14, determine if the two triangles are congruent or not. If they are congruent, tell why they are congruent (use the word bank below – words may be used zero, one, or multiple times). AAS Theorem ASA Theorem HL Theorem SAS Theorem SSS Postulate not congruent 9. __________ 10. __________ 11. __________ 12. __________ 13. __________ 14. __________ On My Honor, I have neither given nor received unauthorized aid on this test, quiz, or assignment. . .