Geometry Basics

What is it called when points lie on the same line.

• Midpoint

• Coplanear

• Segment Bisector

• Collinear

If AC $\cong$ CE and D is the midpoint of CE. CE = 10x+18, DE = 7x-1, and BC=9x-2. Find CE.

• 43

• 68

• 5

• 25

• (3, 8)

• (-3, 8)

• (8, -3)

• (7.5, 1.5)

Find the length of segment MN. Round to the nearest hundreths

• 5.4

• 5

• 5.39

• 6

Name the intersection of line r and plane K.

• Y

• line XY

• X

• B

• 13º

• 155º

• 102º

• 13º

Find EG.

• 29

• 32

• 6

• 19

Name the vertex of angle 2.

• E

• D

• G

• F

Ray DG ⊥ Ray DF. If ∠5 = 42° and ∠1 = 117°, find ∠CDG.

• 159°

• 111°

• 98°

• 101°

• 13°

• 150°

• 134°

• 16°