Similar Triangles, Dilation Scale Factor 2-1-1 IM2

What must the value of x be in order for the figures below to be similar?

• 70 feet

• 25 feet

• 5 feet

• 50 feet

Tags

CCSS.HSG.SRT.A.2

Triangle STU is a dilation of Triangle PQR. What is the scale factor in the dilation?

• 3/4

• 1/2

• 2

• 1.5

Tags

CCSS.8.G.A.3

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

• x = 20

• x = 12

• x = 5

• x = 4

Tags

CCSS.HSG.SRT.A.2

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet
• 72 feet
• 36 feet

Tags

CCSS.HSG.SRT.B.5

Find the height of the tree.

• 8 ft
• 12 ft
• 13 ft
• 15 ft

Tags

CCSS.HSG.SRT.B.5

How long is side x?

• 3
• 1.5
• 8
• 2/3

Tags

CCSS.HSG.SRT.A.2

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

Tags

CCSS.HSG.SRT.A.2

To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown.  What is AB to the nearest meter?

• 10
• 12
• 15
• 18

Tags

CCSS.HSG.SRT.B.4

Which of the statements is true about the graphed triangles?

• They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
• They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.
• They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
• They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2