CCSS.Math.Content.8.G.A.4

Are these two triangles similar?  

• Yes, by the SAS postulate
• Yes, by the SSS postulate 
• Yes, by the AA postulate
• No, they are not similar 

Tags

CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.8.G.A.5

What is the scale factor from the small shape to the big shape?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.HSG.SRT.A.1

Are the triangles similar?

• Yes
• No

Tags

CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.8.G.A.5

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because they are the same shape and side lengths are proportional.
• No, not similar because they are the same shape, but side lengths are not proportional.
• Yes, same shape
• No, different sizes

Tags

CCSS.Math.Content.8.G.A.4

Are the triangles similar?

• Yes
• No

Tags

CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.8.G.A.5

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

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.Math.Content.8.G.A.4

The pair of figures is similar. Find the missing side.

• x = 20
• x = 12
• x = 5
• x = 4

Tags

CCSS.Math.Content.8.G.A.4

Are the triangles similar?

• Yes
• No

Tags

CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.8.G.A.5

Dilation

• rise over run
• change in size
• flipped across y-axis
• whole numbers

Tags

CCSS.Math.Content.8.G.A.4

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 3.
• It's a reduction; the scale factor is 1/3.
• It's a reduction; the scale factor is 1/2.
• It's an enlargement; the scale factor is 2. 

Tags

CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.7.G.A.1