Similar Figures & Scale Factor

The following figures are similar.

What is the measure of angle X?

• 60

• 150

• 30

• 120

What is the scale factor?

• 2

• 3

• 1.5

• 2.5

What is the scale factor?

• 3

• 5

• 6

• 4

What are the two similar triangles?

• $\Delta AED\ and\ \Delta ACB$

• $\Delta AED\ and\ \Delta AEB$

• $\Delta AED\ and\ \Delta ADB$

• $\Delta AED\ and\ \Delta ADC$

Which side 'corresponds' with side x.

• 5

• 6

• 11

• 19.8

What is the scale factor?

• 2

• 2.5

• 3

• 1.5

What is the scale factor?

• 3

• $\frac{1}{3}$

• $\frac{1}{2}$

• $\frac{1}{4}$

What is the scale factor?

• 2

• 3

• 1.5

• 2.5

Are the triangles similar?

• Yes, they have a scale factor of 2.

• Yes, they have a scale factor of 3

• Yes, they have a scale factor of 4

• No, they are not similar.

Are the triangles similar?

• Yes, they have a scale factor of 1.2

• Yes, they have a scale factor or 1.14

• Yes, they have a scale factor of 1.5

• No, they are not similar.