____ 20. What is the value of Identify the missing justifications. x? , , and . a. Angle Addition + 7 + + 3 = 100 Substitution Property b. x x 2x + 10 = 100 c. Simplify d. 2x = 90 Subtraction = 45 e. Division Property of Equality x ____ 21. bisects = 6x. = 2x + 24. Find 6x = 2x + 24 + 2x + 24 (You must double the small angle to get the 6x) 6x = 4x + 48 2x = 48 x = 24 DBC = 2(24) + 24 = 72 ____ 22. Use the Transitive Property of Congruence to fill in the blank. If ______. ____ 23. Use the Substitution Property of Equality to fill in the blank. If , then ______. 8x + 3 = 12 ____ 24. Name the Property of Congruence that justifies the statement: If . Symmetric ____ 25. Name the Property of Congruence that justifies this statement: If . Transitive ____ 26. Complete the two-column proof. Given: Prove:
____ 20. What is the value of x? Identify the missing justifications. , , and . a. Angle Addition x + 7 + x + 3 = 100 b. Substitution Property 2x + 10 = 100 c. Simplify 2x = 90 d. Subtraction x = 45 e. Division Property of Equality ____ 21. bisects = 6x. = 2x + 24. Find 6x = 2x + 24 + 2x + 24 (You must double the small angle to get the 6x) 6x = 4x + 48 2x = 48 x = 24 DBC = 2(24) + 24 = 72 ____ 22. Use the Transitive Property of Congruence to fill in the blank. If ______. ____ 23. Use the Substitution Property of Equality to fill in the blank. If , then ______. 8x + 3 = 12 ____ 24. Name the Property of Congruence that justifies the statement: If . Symmetric ____ 25. Name the Property of Congruence that justifies this statement: If . Transitive ____ 26. Complete the two-column proof. Given: Prove:
Geometry%20Ch.%202%20Test%20Review%20Key%202013.docx