Similarity & Trig Review

The polygons are similar. Find the scale factor.

• 42/35

• 30/25

• 6/5

• 6/25

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The polygons are similar. Find the scale factor.

• 5/2

• 40/10

• 4

• 25/16

The polygons are similar. Find the scale factor.

• 24/5

• 3

• 6

• 12/5

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Determine if the triangles are similar. If so, determine how you know.

• No, they do not have proportional sides

• No, they do not have congruent angles

• Yes, they have proportional sides and congruent angles. Similar by SAS

• Yes, they have proportional angles and congruent sides. Similar by SAS

Tags

CCSS.HSG.SRT.B.5

State if the triangles are similar. If so, state how you know.

• Yes, the triangles are similar because all their sides are congruent. Similar by SSS

• Yes, the triangles are similar because all their sides are proportional. Similar by SSS

• No, the triangles are not similar because their sides are not proportional

• No

Tags

CCSS.HSG.SRT.B.5

State if the triangles are similar. If so, state how you know.

• No, the triangles are not similar because there are no numbers

• Yes, the triangles are similar because at least 2 angles are congruent. Similar by AA.

• Yes, the triangles are similar because at least 2 angles are proportional. Similar by AA.

• No, the triangles are not similar.

Tags

CCSS.HSG.SRT.B.5

Solve for x. (Set up a proportion)

• 13

• 18

• 15

• 12

Tags

CCSS.HSG.CO.C.9

Solve for x

• 10

• 8

• 4

• 20

Tags

CCSS.HSG.SRT.A.2

Solve for x

• 13

• 8

• 4

• 10

Tags

CCSS.HSG.SRT.A.2

Find the missing length indicated. (Set up a proportion)

• 12

• 16

• 10

• 15

Tags

CCSS.HSG.CO.C.9