Similar Shapes

OPENING ASSESSMENT: Write down the numbers of the two diagrams that show similar shoes. Explain how you know.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Similar figures always have _____.

• the same shape and same size

• the same shape, but can be different sizes

• the same size, but can be different shapes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The corresponding angles of similar figures are _______.

• congruent

• proportional

• not the same

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The corresponding sides of similar figures are _______.

• the same

• proportional

• not the dame

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The triangles below are similar.  What is the scale factor of triangle ABC to triangle DEF?

• 2

• 3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

The triangles below are similar.  What is the scale factor of triangle DEF to triangle ABC?

• 2

• 3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

The scale factor of triangle ABC to triangle DEF is 6. Which description is correct?

• Triangle ABC is 6 times larger than triangle DEF

• Triangle DEF is 6 times larger than triangle ABC.

Tags

CCSS.7.G.A.1

How well do you feel you understand this material?

• Totally got it! I'm ready to work on my assignment.

• Mostly get it, but I'd like to see another example before starting my assignment.

• Kind of get it, but I have a couple questions/need a few more examples before I start working.

• I don't understand this at all. Please help! I need more examples/explanation.

Tags

CCSS.4.MD.A.2

Find the length of x

• x = 1
• x = 2
• x = 7
• x = 1/7

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