Similarity and Trig

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

Find the missing length indicated.

• 8

• 9

• 25

• 12

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

Which side is opposite angle x?

• 1

• 2

• 3

Which statement about the triangles at the right is true?

• ΔABC is not similar to ΔADF

• ΔABC is similar to ΔADF

• ∠BAC is not congruent to ∠DAF

• ΔABC is congruent to ΔADF

Are Triangle ABC and Triangle XYZ similar?

• No, corresponding angles are not congruent

• No, corresponding sides are not proportional

• Yes, corresponding angles are congruent

• Yes, corresponding sides are proportional

What is the correct ratio?

• 7/24

• 24/7

• 7/25

• 24/25

Find x if sin 22^o = 2/x.

• 6.78

• 0.75

• 2.14

• 5.34

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Solve for x. Round to the nearest tenth.

• 7.5

• 34.1

• 14.1