GEOMETRY - Triangle Similarity Warm-Up

Tell whether the triangles are similar or not.

• a

• b

Tags

CCSS.HSG.SRT.A.2

Are these two triangles similar? Which similarity criterion do you use to prove it?

• Yes, SSS

• Not Similar

• Yes, SAS

• Yes, AA

Tags

CCSS.HSG.SRT.B.5

Find the value of x using proportions.

• a

• b

• c

• d

Tags

CCSS.HSG.SRT.A.2

Are these two triangles similar? Which similarity criterion do you use to prove it?

• Yes, SSS

• Yes, SAS

• Yes, AA

• Not similar.

Tags

CCSS.HSG.SRT.B.5

Are these two triangles similar? Which similarity criterion do you use to prove it?

• Yes, SSS

• Yes, AA

• Yes, SAS

• Not similar

Tags

CCSS.HSG.SRT.B.5

What does it mean for two shapes to be similar?

• Their angles add up to 180^o.

• They are congruent.

• Same shape, but different size.

• Same size and same shape.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Find side length X.

• 30
• 25
• 15
• 40

Tags

CCSS.HSG.SRT.A.2