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CONGRUENT TRIANGLES REVIEW For 1-4, write a congruence statement for each triangle pair, then name the congruence theorem that proves your statement. 1. Z G 2. F B C A E D H S 3. 4. I Y X L N R K O T J K M J L 5. Define the following types of triangles: Right Obtuse Acute Isosceles Equilateral Scalene 6. Given: An Equilateral Triangle Side 1 = 4x + 5 Side 2 = 7x – 16 Side 3 = 3y + 3 Find the value of y, and the measures of the 3 angles 7. An exterior angle at A of ∆ABC measures 12x. If mLB = 7x – 2 and mLC = 6x – 8, what is the value of x? 8. If you wanted to prove ABC = XYZ using the SAS postulate, name 3 parts you would have to prove congruent. 9. If ABC = DEF, which sides and angles are congruent?