Unit 1/2 Check Point

Determine the measure of angle J.

• 40⁰

• 50⁰

• 60⁰

• 70⁰

13. In the figure shown, lines g and f are parallel. 

Select all angles that are congruent to angle 2.

• ∠1, ∠2, ∠3, ∠4

• ∠2, ∠3, ∠5, ∠8

• ∠2, ∠3, ∠6, ∠7

• ∠2, ∠4, ∠6, ∠8

13. Given the pre-image point located at A and the image point located at A' as shown in the diagram, select all answers that describe the transformations from point A to A'

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5. Quadrilateral ABCD is congruent to quadrilateral EFGH . So, Mai knows that there is a sequence of rigid motions that takes ABCD to EFGH.

6.  

Select all true statements after the transformations.

• Angle A coincides with angle E

• Angle B coincides with angle H 

• Segment BC coincides with segment FG

• Segment CD coincides with segment segment coincides with segment FG

5. Triangle HEF is the image of triangle HGF after a reflection across line FH

7. Select all statements that must be true.

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Translate Δ ABC using the rule (x,y) --> (x+4 , y-6)

What is the coordinates of image A' after translation?

• (-2 , -4 )

• ( -4 , -2 )

• ( -1 , -2 )

• ( -3 , -4 )

Translate Δ DEF using the rule ( x,y) --> ( x-3 , y-5 )

What is the coordinates of the image E' after translation.

• ( 4 , -3 )

• ( -3, 4 )

• ( 4 , 3 )

• ( 3 , 4 )

1. Write a sequence of rigid motions to take ABC figure to figure DEF .

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1. What triangle congruence theorem could you use to prove triangle ADE is congruent to triangle CBE ?

• AAS

• ASA

• SAS

• SSS

1. What additional information is needed to prove that these two triangles are congruent?

3. Select all the answers that are correct

• ∠J = ∠T

• ∠H = ∠R