11/25 Warm Up: Scale Factor, Proportions, and Similarity

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

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

Tags

CCSS.7.RP.A.2A

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

• an enlargement
• a reduction
• a scale factor
• bigger

What is the scale factor from the large triangle to the small triangle?

• 1/2
• 2/3
• 3/4
• 2

What is the scale factor?

• 4
• .25
• 5
• 6

Tags

CCSS.6.RP.A.3A

Solve the proportion.
____ = ____

• p=31.3
• p=308
• p=924
• p=532

Tags

CCSS.7.RP.A.2C

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Tags

CCSS.7.RP.A.2A

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

• Congruent
• Vertical
• Similar
• Complementary 

If two polygons are SIMILAR, then the corresponding angles must be _____.

• Complementary

• Supplementary

• Congruent

• Linear pairs

Line BC corresponds with what line? 

• XZ
• XY
• YZ
• YX