MA 311 Midterm part 2

Two triangles are congruent.  The following information is known about the two triangles: ∠A≅∠X, AB≅XY, ∠CBA≅∠ZYX.  Which of the following represents a correct congruence statement?

Tags

CCSS.HSG.CO.B.7

In the diagram below of ABC and STU,  ∠C≅∠T, BC≅ST, ∠B≅∠S.  What method can be used to prove that ABC ≅ STU

• SSS

• SAS

• AAS

• ASA

Tags

CCSS.HSG.SRT.B.5

 To prove NMQ≅NPQ, which triangle postulate could you use?

• SSS

• SAS

• AAS

• ASA

Tags

CCSS.HSG.SRT.B.5

 Which statement about parallelograms is always true?

• The diagonals are perpendicular

• The diagonals are congruent

• The diagonals bisect each other

• The diagonals bisect their respective angles

Tags

CCSS.HSG.CO.C.11

In the diagram below of parallelogram STUV,  SV=2x+15, VU=4x-3, and TU=5x-6.  What is the length of SV?

• 7

• 9

• 29

• 33

Tags

CCSS.HSG.CO.C.11

In the accompanying diagram of parallelogram ABCD, diagonals ACand DB intersect at E, AE=3x+26 and EC=7x+6.  What is the value of x?

• 5

• 15

• 8

• 3.2

Tags

CCSS.HSG.CO.C.11

Which transformation alters the size of a figure?

• translation

• reflection

• rotation

• dilation

Tags

CCSS.8.G.A.3

After a dilation centered at the origin, the image on AB is A'B'. If AB=3.2 and A’B’= 16, find the scale factor.  

• 4

• 1/4

• 5

• 1/5

Tags

CCSS.8.G.A.3

Under a dilation, ∠B maps to ∠B’.  Which of the following is always true?

• m∠B < m∠B'

• m∠B = m∠B'

• m∠B > m∠B'

• m∠B + m∠B'=180

Tags

CCSS.8.G.A.3

Which is a possible scale factor for a reduction?

• k=1

• k=2

• k=0

• k=1/2

Tags

CCSS.8.G.A.3