Unit 02: Introduction to Geometry

Unit 02: Introduction to Geometry Review

Well, here we go!

Multiple Choice

Is the inverse of this true?

• Its true.  If two angles are not supplementary, then they do not add up to 180 degrees.
• Its false.  If angles don't add up to 180, they can still be supplementary.
• Its false.  Supplementary angles add up to 90 degrees.
• Its true.  Supplementary angles can add up to less than 180 degrees.

Multiple Choice

If two lines in the same plane are parallel, then they will not intersect.

Is the converse to this true?

• Its false. Parallel lines intersect.

• True -- Parallel lines will not intersect.

• False.

• What are parallel lines?

Multiple Choice

Which is the converse of this statement

• If it's Geometry, then it's the best class

• If it's the best class then the class is Geometry

• Geometry is not the best class

• If you're not in geometry, then you're not in the best class

Multiple Choice

Original Statement: 
      If I am hungry then I will eat a whole pizza.
New Statement:
     If I am not hungry then I will eat a whole pizza.

• Converse
• Inverse
• Contrapositive
• None of the above

Multiple Choice

What is the converse of the following statement?
If it is Saturday, then the school is closed

• If the school is closed, then it is Saturday.
• If it is not Saturday, then the school is not closed.
• If the school is not closed, then it is not Saturday.

Multiple Choice

Given, "If angles are congruent, then the measures of the angles are equal." Identify the hypothesis.

• If angles are congruent.
• Angles are congruent.
• Then the measures of the angles are equal.
• The measures of the angles are equal.

Multiple Choice

Given, "If angles are congruent, then the measures of the angles are equal." Identify the converse.

• If the measures of the angles are equal, then the angles are congruent.
• "If angles are not congruent, then the measures of the angles are not equal."
• If the measures of the angles are not equal, then the angles are not congruent.
• If the angles are not congruent, then the measure of the angles are equal.

Multiple Choice

Given, "If I have a Siberian Husky, then I have a dog." Identify the inverse.

• If I do not have a Siberian Husky, then I do not have a dog.
• If I have a dog, then I have a Siberian Husky.
• If I do not have a dog, then I do not have a Siberian Husky.
• If I do not have a Siberian Husky, then I have a dog. 

Multiple Choice

Given, "If I have a Siberian Husky, then I have a dog." Identify the contrapositive.

• If I do not have a Siberian Husky, then I do not have a dog.
• If I have a dog, then I have a Siberian Husky.
• If I do not have a dog, then I do not have a Siberian Husky.
• If I do not have a Siberian Husky, then I have a dog. 

Multiple Choice

If -14 is the midpoint between A and C, and point A is located at 12, then where is point C located at?

• -40

• -26

• -1

• 40

Multiple Choice

A scuba diver dove down 25 feet, then swam up 11 feet. Which equation represents this and the diver's current position?

• -25 + - 11 = -36

• -25 + 11 = -14

• -25 + 11 = -36

• -25 + 11 = 14

Multiple Choice

Two planes are flying into Las Vegas at different altitudes. The first plane is at an altitude of 38,480 ft. The second plane is underneath the first and needs to be at least 12,840 feet away from the other one to remain out of their air stream. What is the max altitude the 2nd plane can be at in order to remain safe?

• 12,840 ft

• 19,240 ft

• 21,660 ft

• 25,640 ft

Multiple Choice

Annie has earned $65 towards her goal of $300 for a new set of earbuds. At what amount will she have earned halfway from the remaining amount she needs?

• $150

• $75

• $182.50

• $97.50

Multiple Choice

What is the location of the midpoint between -8 and -20 on a number line?

• 12

• -12

• -14

• -6

Multiple Choice

"The distance a number is from zero on a number line" is defined as:

• integer

• negative

• operation

• absolute value

Multiple Choice

Points X and Y lie in both plane P and plane Q. What object defines that intersection of the two planes?

• Line XY

• Segment XY

• Plane P

• All of 3-dimensional space

Multiple Choice

Name two planes that contain line QP.

• Planes PSR, QNM

• Planes SPL, QRM

• Planes NML, QPR

• Planes PRQ, SLP

Multiple Choice

Points P and Q lie in plane A.  How many lines contain P and Q?

• 1

• 2

• 3

•  $\infty$ 

Multiple Choice

A ________ has infinite points; one dimension and extends in opposite directions forever.

• Point
• Line
• Line segment
• Plane

Multiple Choice

A ________________ consists of two endpoints.

• Point
• Line
• Line Segment
• Plane

Multiple Choice

A__________ is a fixed position in space and has no dimensions or size.

• Point

• Line

• Plane

• Cube