Geometry Midterm Review

Geometry Midterm Review

Multiple Choice

Which is the correct geometric term for the given definition?

The union of two noncollinear rays with the same endpoint

• Angle

• Line Segment

• Perpendicular bisector

• Circle

Multiple Choice

Which is the correct geometric term for the given definition?

given a point C, the center, in the plane and a number r > 0, the radius, the set of all points in the plane that are distance r from point C

• Angle

• Line Segment

• Perpendicular bisector

• Circle

Multiple Choice

Which is the correct geometric term for the given definition?

the set consisting of A, B, and all the points on the line AB between A and B

• Angle

• Line Segment

• Perpendicular bisector

• Circle

Multiple Choice

Which is the correct geometric term for the given definition?

. a line that intersects another line in one point such that any of the angles formed by the intersection of the lines is a 90 angle

• Angle

• Line Segment

• Perpendicular bisector

• Circle

Fill in the Blanks

Complete the steps in the construction of a perpendicular bisector.

1. Label the endpoints of a

A and B

Fill in the Blanks

Complete the steps in the construction of a perpendicular bisector.

2. Draw circle A: center _, radius AB

Fill in the Blanks

Complete the steps in the construction of a perpendicular bisector.

2. Draw circle B: center _, radius BA

Fill in the Blanks

Complete the steps in the construction of a perpendicular bisector.

3. Label the points of intersection as C and D.

4. Draw

Fill in the Blanks

y =

Fill in the Blanks

X =

Multiple Choice

Which demonstrates rigid motion?

• A

• B

Multiple Choice

Which transformation maps the pre-image to the image?

• Dilation

• Rotation

• Reflection

• Translation

Multiple Choice

In the diagram, BD is the bisector of ∠ABC, and

m∠ ADB = m∠ CDB.

What triangle congruence criteria could be used to prove the two triangles congruent?

• SAS

• ASA

• HL

• SSS

• AAS

Fill in the Blanks

Let r1= 3 and r2= 1/3, and consider the figure below. Using point O as the center, Olive created two scale drawings of △ABC as specified below. a. △A′B′C′ with scale factor r1 b. △A′′B′′C′′ with scale factor r2. Use paper to recreate Olive's scale drawing. The value of the ratio OC′′:OC′ is _______ : ________

Multiple Choice

In △ABC, point D lies on AC, point E lies on BC, and DE∥AB.

AD=3.2 ,DC=2.4 , and BE= 2.3.

CE ___________ 1.75

• <

• >

Fill in the Blanks

A dilation from center O with the scale factor of r1 = 1/9 maps a point P to another point P'. Then a second dilation from O with scale factor r2 maps P' to P.

What is the value of r2?

Multiple Choice

Let O, P, and Q be distinct collinear points with PQ = 3. Let P' and Q' be the images of P and Q under dilation from point O with scale factor 6. What is the length of the image segment P'Q'?

• 6

• 9

• 18

• 1

Poll

How comfortable do you feel for the midterm?

• EHHH

• I GOT THIS!

• NO IDEA