1. 1.4 and 1.5 Quiz on Friday!

2. When two lines intersect, they intersect in a ___________ Point

3. When two planes intersect they intersect in a ___________ Line

4. 1. Name the intersection of B 2. Name the intersection of E 3. Name the intersection of None, they are parallel

5. 1. Name the intersection of planes S and R Line k 2. Name the intersection of planes R and T None, they are parallel 3. Name the intersection of planes T and S Line L

6. 1.5 Segments and their measures Coordinates: the number that corresponds the point on the number line Distance: The distance between point A and point B is written as AB It is also the length of

8. DE + EF = DF 10 + x = 16 -10 x = 6 So, EF = 6

9. AB + BC = AC 14 + 6 = AC 20 = AC ST + TR = SR x + 15 = 23 - 15 -15 x = 8 So, ST = 8