Ratios, Extended Ratios, Proportions, Similar Triangles

Solve the proportion.

• -3

• -1.5

• 2.1

• 9

Solve for k

• 165

• 17

• 1/17

• 1/165

Are the triangles similar?

• Yes

• No

Find missing side

• 5

• 7

• 9

• 11

A proportion is two ratios that are __________.

• blue

• equal

• not equal

When figures are similar, their corresponding sides are__________________.

• congruent

• proportional

• invisible

When figures are similar, their corresponding angles are__________________.

• congruent

• proportional

• yellow

• obtuse

Similarity Ratio: _

• 2/3

• 1/2

• 2

• 3

Are the two figures similar

• yes

• no

Are the polygons similar?

• HGFE ~ NMLK

• KNML ~ FGHE

• No - because corresponding angles are not congruent

• No - because corresponding sides are not proportional