Similar Figures and the Proof of Triangle Similarity Theorems

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

All angles in similar figures are congruent.  

• True

• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

• Congruent

• Proportional

• Complementary

• Symmetrical

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What are matching sides of similar figures?

• Scale Factor

• Corresponding Angles

• Corresponding Sides

• Length

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Are the two triangles similar?

• Yes

• No

Tags

CCSS.HSG.SRT.A.2

Are the two angles similar?

• Yes

• No

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Are the following similar? Why or why not?

• Yes. the the corresponding side are equal.

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

Tags

CCSS.HSG.SRT.A.2

Trapezoid ABCD is similar to GHIJ. How do you write the following in notation?

• ABCD = GHIJ

• ABCD ∼ GHIJ

• ABCD ≈ GHIJ

• ABCD ≅ GHIJ

Tags

CCSS.HSG.SRT.A.2

Trapezoid ABCD ∼ GHIJ.

∠B ≅ ?

• ∠G

• ∠H

• ∠I

• ∠J

Tags

CCSS.HSG.SRT.A.2

Trapezoid ABCD is similar to GHIJ.

What is the scale factor of ABCD to GHIJ?

• 1/2

• 2

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4