Scale Factor Practice 2

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

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

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

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

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.7.G.A.1

What is the scale factor from ABCD to MNOP?

• 2/3
• 3/2
• 2
• 3

Tags

CCSS.7.G.A.1

Given triangles ABC and A'B'C' with A(1, 2), B(2, 4), C(6, 2) and A'(2,4), B'(4, 8), C'(12, 4).  What is the ratio of segment AB to segment A'B'?

• 1:2
• 2:1
• 1:4
• 4:1

Tags

CCSS.HSG.GPE.B.6

Matching sides are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Tags

CCSS.8.G.A.2

All angles in similar figures are congruent.  

• True
• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet
• 21 feet
• 27 feet
• 32 feet

Tags

CCSS.HSG.SRT.C.8

Matching angles are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Angles

Tags

CCSS.8.G.A.2