Directed Line Segment, Side Splitter Theorem and Polygon R

Which proportion would be correct in order to solve for x.  (Hint: remember the side splitter theorem states the sides of the triangles are proportional)

• x/10 = 15/30

• x/10 = 45/30

• x/10 = 15/45

• x/10 = 30/15

• BE

• CD

• AD

• ED

Find the missing length.

• 21

• 18

• 16

• 24

Find the missing length.

• 6

• 8

• 5

• None of these

Can you solve for x using the Side Splitter Theorem?

• NO

• YES

• CE

• CD

• AB

• EF

In the diagram of ABC below, points D and E are on sides AB and CB respectively, such that DE is parallel to AC. If EB is 3 more than DB, AB = 14, and CB = 21, what is the length of AD?

• 6

• 8

• 9

• 12

In right triangle ABC shown below, point D is on AB and point E is on CB such that AC is parallel to DE. If AB = 15, BC = 12, and EC = 7, what is the

length of BD?

• 8.75

• 6.25

• 5

• 4

Which proportion would be correct in order to solve for x. (Hint: remember the side splitter theorem states the sides of the triangles are proportional)

• (1)

• (2)

• (3)

• (4)