1. If-then statement The hypothesis and conclusion of a conditional statement If two angles are congruent, then they have the same measure. Converse Interchanging the hypothesis and conclusion of a conditional statement If two angles have the same measure, then they are congruent.

2. True or False? If it is raining then the grass is wet. Write its converse If the grass is wet then it is raining. False

3. Linear Pair Conjecture Using the previous figure – measure the 4 indicated angles with a protractor. What do you notice about the sum of the two adjacent angles (linear pair)? 1 2 3 4 If two angles form a linear pair, then _____________________________________. the measures of the angles add up to 180 o

4. Find the value of x. 1. 2. FE x = 6 x = 11