Geometry Semester Exam Review

Which transformations could have occurred to map \Delta ABC to \Delta A''B''C?

• a rotation and a reflection

• a translation and a dilation

• a reflection and a dilation

• a dilation and a rotation

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What is the scale factor of the dilation?

• 4

• 8

Tags

CCSS.8.G.A.3

• Yes, they are congruent by either ASA or AAS.

• Yes, they are both right triangles.

• No, there are no congruent sides.

Tags

CCSS.HSG.SRT.B.5

Quadrilateral ABCD is translated down and left to form a quadrilateral OLMN.

If AB = 6 units, BC = 5 units, CD = 8 units, and AD = 10 unit, what is LO?

• 5 units

• 6 units

• 8 units

• 10 units

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

• 16

• 24

• 32

• 36

Tags

CCSS.HSG.SRT.B.4

Consider the two triangles. To prove that the triangles are similar by the SAS similarity theorem, it needs to be shown that

Tags

CCSS.HSG.SRT.B.5

If an image of a triangle is congruent to the pre-image, what is the scale factor of the dilation?

• 0.1

• 1

• 10

Tags

CCSS.8.G.A.3

• SSS

• ASA

• SAS

• HL

Tags

CCSS.HSG.SRT.B.5

• No, because the hypotenuse of one triangle is equal to the length of the leg of the other triangle.

• No, because the leg of one triangle is equal in length to the leg of the other triangle.

Tags

CCSS.HSG.SRT.B.5

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6