1. Chapter 1 Review

2. Make sure you know how to:
Factor to solve word problems
Define and draw examples of any vocabulary words
Explain in words why you did what you did

3. Lesson 1 E A B
How many planes are in the figure? Name all planes in the figure
Name 3 collinear points. Explain how you know they are collinear
Name 4 non-coplanar points. Explain.
Name a line that intersects plane Y G F D Y C

4. Lesson 2 Find a if AB = 4a + 10, BC = 3a – 5, and AC = 19.
C. Find x and SU if T is between S and U, ST = 7x, TU = 42, and TU = 5x – 3.

5. Lesson 3 Given the ordered pairs, find the distance and midpoint
A(1, 4) B(3, 6)
A(-5, -3) B(-7, -3)
Use the number line for each question
Find the distance for AH and DB
Find the midpoint for CE and GA A B C D E F G H -5 5

6. Lessons 4 & 5 Name a pair of obtuse vertical anglesD G
Name a pair of obtuse vertical angles
Name a pair of acute vertical angles
Name a pair of supplementary angles
Name a pair of complementary angles
If angle AGF= 3x-8 and angle CGD=x+24, find x and the measure of angle AGF
If angle BGD=3a+33 find a
If ray GC is an angle bisector then what is the measure of angle BGC? E F

7. More Lessons 4 & 5
If two angles are supplementary and the measure of one angle is 5 more than 4 times the other, what are the measures of the angles?
If angles 1 & 2 are complementary and angle 2 is 10 more than 3 times angle 1, what is the measure of each
If two angles form a linear pair and they are congruent then what are the measures of the angles?
If two angles are supplementary and one angle is equal to half the other angle plus 18, what are the measures of the angles?

8. Answers Slide 1 4 planes: Planes Y or FGD, EGD, EGF, and EFD
Points A, B, C are collinear because the all share the same line
Points A, G, D, and E (or A or C) are non-coplanar because E is not in the plane with A, G, and D.
Line AC

9. Answers
Slide 2
a = 2
x = 9, SU = 105

10. Answers Slide 3 (2, 5) 2 (-6, -3) AH = 16 DB = 5
(-6, -3)
AH = DB = 5
Mdpt of CE = 0 mdpt of GA = -3/2

11. Answers Slide 4 Angles AGC and FGD Angles AGF and CGD
Angles AGF and FGD/AGC
Angles AGB and BGD
Angles CGD and ACG/DGF
Angles BGC and CGD
3x-8=x+24, x=16, angle AGF=40
45 degrees each

12. Answers Slide 5 5+4x+x=180 5+5x=180, x= 35, angles= 35 and 145
90 degrees each
x+ 1/2x +18=180
3/2x +18=180, x=108, angles = 108 and 72