Geometry Chapter Big Ideas

Points that lie on the same plane are ________.

• collinear

• coplanar

• parallel

• perpendicular

Two lines intersect at a ....

• angle

• point

• line

• intersection

An example of 2 non-collinear points.

• D, E

• C, B

• M, E

• F, B

When naming a plane, we should use ________

• 2 points
• a lower case cursive letter
• 3 points
• 3 noncollinear points

Find AC

• 7

• 8

• 22

• 23

Given the diagram, which is correct?

• BC+CD=BD

• BD+BC=CD

• CD+BC=BD

• BC+BD=CD

Find the measure of the supplement of angle W, where the measure of angle W = 43º.

• 77º

• 47º

• 223º

• 137º

Suppose AC =  48, find the value of x. Then, find the length of AB.

• 13

• 16

• 12

• 15

Find x

• x = 6°

• x = 7°

• x = 12°

• x = 144°

∠1 and ∠2 form a linear pair. If m∠1 = (5x + 9)° and m∠2 = (3x + 11)°, find the measure of each angle.

• m∠1 = 110° and m∠2 = 70°

• m∠1 = 109° and m∠2 = 71°

• m∠1 = 70° and m∠2 = 110°

• m∠1 = 71° and m∠2 = 109°