Similar Triangles (7-3 and 7-4) + Dilations

Which is NOT true about similar triangles.

• The angles in the triangles are congruent to each other.
• The sides are proportional to each other.
• The angles in each triangle add up to 180^o.
• The triangles must have at least one side that is the same length.

Tags

CCSS.HSG.SRT.A.2

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2

If the 2 given triangles are similar, and if the 3 foot leg corresponds to the 9 ft leg, how long is side x?

• 2 ft

• 3 ft

• 4 ft

• 6 ft

A telephone booth that is 8 ft tall casts a shadow that is 4 ft long. Find the height of a lawn ornament that casts a 2 ft shadow. Hint: It may help to sketch a picture.

• 4 ft

• 2 ft

• 8 ft

• 6ft

Find side length X.

• 16
• 18
• 2.4
• 15

Tags

CCSS.HSG.SRT.A.2

Find side length X.

• 30
• 25
• 15
• 40

Tags

CCSS.HSG.SRT.A.2

Find side length X.

• 22.5
• 10
• 9
• 7.5

Tags

CCSS.HSG.SRT.A.2

Find the value of X.

• 4

• 6

• 12

• 7

Tags

CCSS.HSG.SRT.A.2

Find the value of x.

• 15

• 20

• 48

• 80

Tags

CCSS.8.G.B.7

Find the value of x.

• 20

• 36

• 48

• 60

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8