Geometry Midterm Review

Which of the following statements correctly describes perpendicular lines?

• Coplanar but do not intersect

• Coplanar and intersect at 90 degree angle

• Coplanar and intersect at either obtuse or acute angles

• Not coplanar

What type of triangle is shown?  Complete the statement:  ∠A≅∠_.

• Equilateral; C

• Isosceles; C

• Isosceles; B

• Scalene; None

Describe the transformation in the picture from the black triangle to the blue triangle.

• Reflection over the y-axis

• Reflection over the x-axis

• Reflection over y=x

• Reflection over y=-x

What are the coordinates of the vertices of the triangle after the translation 2 units up?

• (1,2), (3, 5), (-3,0)

• (-1,2), (-3,5), (-3,0)

• (1,2),(-3,5),(-3,0)

Describe the transformation in the picture from the black triangle to the blue triangle.

• Translation 2 units to the left

• Translation 2 units to the right

• Translation 2 units up

• Translation 2 units down

Find the missing length.

• 36

• 64

• 10

• 100

State if the triangles are congruent. If they are, state how you know.

• SSS

• AAS

• AA

• Not Congruent

If ∆ABC ≅∆DEF, what side is congruent to CA?

• FE

• DE

• FD

• DF

If ∆ABC ≅∆DEF, which of the following is not a pair of congruent angles?

• A and D

• A and E

• E and B

• F and C

State if the triangles are congruent. If they are, state how you know.

• ASA

• SAS

• AAS

• Not Congruent