Similar Triangles

What does it mean for two shapes to be similar?

• Same shape, but different size.
• Same size and same shape.
• Their angles add up to 180^o.
• They are congruent.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

How long is side x?

• 3
• 1.5
• 8
• 2/3

Tags

CCSS.HSG.SRT.A.2

How long is side x?

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Tags

CCSS.HSG.SRT.A.2

Which triangles are similar to triangle A?

• B
• C
• Both
• None

Tags

CCSS.HSG.SRT.A.2

What is the ratio of the side lengths?

• 1.25
• 1.5
• 2
• 2.5

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

Tags

CCSS.8.G.A.5

What is the correct value of y?

• 15

• 6

• 21

• 17

Tags

CCSS.HSG.SRT.A.2