Similarity and Trigonometry

• 27/36
• 27/45
• 45/36
• 45/27

When dilating a line and the center of dilation is ON the line, a parallel line is formed.

• True

• False

tan 51

• 1.2349

• .9030

• .9

• 1.24

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x

What is the cosine of angle P?

• p/q
• q/r
• p/r
• r/q

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706
• 1.875
• .8824
• .5333

Find the measure of the missing angle.

• 49^o
• 50^o
• 41^o
• 33^o

Find the length of side y.

• 22.32 cm
• 36.5 cm
• 76.34 cm
• 87.76 cm

Which scenario describes the picture shown?

• A 5 foot ramp is 8 feet away from a building.  What is the angle that the ramp makes with the ground?
• A 5 foot ramp leans against an 8 foot structure.  What is the angle that the ramp makes with the ground?
• An 8 foot ramp leans
  against a building 5 feet away.  What angle does the ramp make with the ground?
• A 5 foot man is 8 feet away from a building.  What is the angle of elevation?

Find the length of side w.

• 21.4 cm
• 18.0 cm
• 36.5 cm
• 43.6 cm