Similar Figures and Scale Factors

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

If the actual dimensions of the kitchen are 24 ft. by 24 ft., what is the scale of the drawing?

• 1cm : 9ft
• 1cm : 8ft
• 4cm : 1ft
• 1cm : 4ft

Tags

CCSS.7.G.A.1

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 MNOP to ABCD?

• 2/3
• 1/2
• 3/2
• 2

Tags

CCSS.7.G.A.1

On a map, Memphis, Tennessee, and Jackson, Mississippi, are 5 inches apart. The distance between the cities is actually 210 miles.

What scale was used to create the map?

• 42 inches = 1 mile
• 1 inch = 42 miles
• 40 inches = 1 mile
• 
  1 inch = 40 miles

Tags

CCSS.7.G.A.1

The two right triangles below are similar. What is x, the missing side length in triangle DEF?

• 3.75

• 9.75

• 10

• 12

Tags

CCSS.HSG.SRT.A.2

All angles in similar figures are congruent.  

• True
• False

Tags

TEKS.MATH.7.5A

TEKS.MATH.8.3A

TEKS.MATH.G.7A

Find missing side

• 5
• 7
• 9
• 11

Tags

CCSS.HSG.SRT.A.2

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

• x = 9
• x = 28
• x = 7
• x = 63

Tags

CCSS.HSG.SRT.A.2

Find the perimeter of the large triangle.

• 24

• 36

• 12

• 54