Ratios, Extended Ratios, Proportions, Similar Triangles

Are these two triangles similar? Why or why not?

• Yes, they are both triangles

• Yes, they both have right angles

• No, they only have one congruent angle

• No, they look different

Tags

CCSS.HSG.SRT.A.2

Solve for x

• x=6

• x =1/6

• x = 7

• x=9

Tags

CCSS.7.RP.A.2C

A triangle’s angle measures are in the extended ratio of 2 : 4 : 9. Find the measures of the angles.

• 20^o, 40^o, 90^o

• 24^o, 48^o, 108^o

• 24^o, 32^o, 124^o

• 20^o, 40^o, 100^o

Tags

CCSS.8.G.A.5

• 1:3

• 3

• 2:3

• 3:2

Tags

CCSS.7.G.A.1

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

Which triangles are similar to triangle A?

• B

• C

• Both

• None

Tags

CCSS.HSG.SRT.A.2

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ

• ΔNOM ∼ ΔPQL

• ΔLMN ∼ ΔPQO

• ΔMLN ∼ ΔPQO

Tags

CCSS.HSG.SRT.A.2

• 45°:117°:18°

• 45°:18°:117°

• 35°:115°:20°

• 35°:120°:22°

Tags

CCSS.4.MD.C.7

How long is side x?

• 3

• 1.5

• 8

• 2/3

Tags

CCSS.HSG.SRT.A.2

Find side length X.

• 22.5

• 10

• 9

• 7.5

Tags

CCSS.HSG.SRT.A.2