MM-DILATIONS-FORMULA(2-20)

Which shapes are similar?

(Click on the two you think are similar)

• ABC

• FED

• IHG

Tags

CCSS.HSG.SRT.A.2

The following triangles are Similar

• TRUE

• FALSE

Tags

CCSS.HSG.SRT.A.2

Two objects that are the same shape but NOT the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4 . Which describes the relationship between the two triangles?

• Triangle A'B'C' is an enlargement of triangle ABC

• Triangle A'B'C' is a reduction of triangle ABC

• Triangle A'B'C' is a mirror image of triangle ABC

Tags

CCSS.8.G.A.3

A dilation always produces a similar figure. Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

Tags

CCSS.8.G.A.3

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

Choose all the dilations that will result in a reduction

• 1

• 0.5

• 3/4

• 5/3

• 0.875

Tags

CCSS.8.G.A.3

If AB = 3 and the scale factor is 4 then how long is A'B'?

Tags

CCSS.8.G.A.3

What is a dilation?

• The process of making a polygon larger or smaller without changing its shape

• The process of making a polygon move up, down, left, or right without changing its shape or size

• The process of making a polygon flip over an invisible line without changing its shape or size

• The process of making a polygon turn along quadrants without changing its shape or size

Tags

CCSS.8.G.A.3