Use the diagram to answer the following questions. You must write a justification statement for each
question and show all work!
A
D
X
B
C
E
F
H
Y
G
1. Which point is collinear with points E and G?
2. Which point is coplanar with points A, D, and H?
3. Which point is coplanar with points A, C, and G?
4. Which two planes intersect at segment EF?
N
D
C
5. Which of the following correctly describes the figure below?
a.
b.
c.
d.
Point D and Plane M are collinear
Line DC intersects plane N but does NOT intersect plane M
Line DC is the intersection of plane N and plane M
Plane M and plane N are coplanar
M
Find the value of x for the following problems. Show all your work!
6. If AB = 26, find x
A
B
x
7. If MN = x + 15, find x
x+4
N
M
x
3