Interior angles of polygons and similar triangles

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.

• 16
• 18
• 2.4
• 15

Tags

CCSS.HSG.SRT.A.2

Find side length X.

• 22.5
• 10
• 9
• 7.5

Tags

CCSS.HSG.SRT.A.2

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

Tags

CCSS.HSG.SRT.A.2

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional 
• proportional, congruent 
• congruent, congruent
• proportional, proportional

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

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2

Given that Triangle BAC is similar to Triangle EDF. Find the angle EFD.

• 45

• 22

• 113

• 18

Tags

CCSS.HSG.SRT.A.2

Similar or not similar?

• Similar

• Not similar

Tags

CCSS.HSG.SRT.A.2