1.
Which best describes the statement If two planes intersect, then their intersection is a point?
2.
Choose the property that justifies the following statement.If x = 2 and x + y = 3, then 2 + y = 3.
3.
Choose the property that justifies the statement m∠A = m∠A.
4.
Choose the property that justifies the statement If ≅ , then ≅
A.
B.
C.
D.
Definition of Congruent Segments
5.
On a line, if XY = 6, YZ = 4, and XZ = 2, which point is between the other two?
6.
If m∠BFC = 70, find m∠EFD.
7.
If m∠AFB = 5x – 10 and m∠BFC = 3x + 20, find x.
8.
If ∠ABC ≅ ∠EFG, and m∠ABC = 72, find m∠GFH.
9.
If m∠ABJ = 28, ∠ABC ≅ ∠DBJ, find m∠JBC.
10.
Complete the proof by supplying the missing informationIf 2x – 7 = 4, then x = .1. 2x – 7 = 42. 2x – 7 + 7 = 4 + 73. 2x = 114. 5. x = 1. Given 2. Addition Property3. Substitution4. _______________5. Substitution
11.
If m∠1 = x + 50 and m∠2 = 3x – 20, find m∠1.
12.
State the definition, property, postulate, or theorem that justifies each statement.If M is the midpoint of , then ≅ .
13.
State the definition, property, postulate, or theorem that justifies each statement.If ∠A ≅ ∠B and ∠B ≅ ∠C, then ∠A ≅ ∠C.
14.
State the definition, property, postulate, or theorem that justifies each statement.If m∠A + m∠B = 90 and m∠B = 20, then m∠A + 20 = 90.
15.
State the definition, property, postulate, or theorem that justifies each statement.If ∠X and ∠Y are complementary, ∠Z and ∠Q are complementary, and ∠X ≅ ∠Z, then ∠Y ≅ ∠Q.
16.
State the definition, property, postulate, or theorem that justifies each statement.If ≅ then PR = QT.
17.
State the definition, property, postulate, or theorem that justifies each statement.AB + BC = AC