Angles Algebra

• A

• B

• C

• D

don't worry about the measures yet. What is the name of the angle with a ? in it?

• ∠V

• ∠XWV

• ∠CWX

• ∠VXW

What is 120 degrees in radians?
 

• 2π/3

• π/3

• 5π/3

• 4π/3

If m∠RST = (12x -1)°, m∠RSU = (9x -15)°,

and m∠UST = 53°, find each measure.

• x = 13

  m∠RST = 155°

  m∠RSU = 102°

• x = 3

  m∠RST = 35°

  m∠RSU = 12°

• x = 22

  m∠RST = 263°

  m∠RSU = 183°

• x = 8

  m∠RST = 95°

  m∠RSU = 57°

Find the value of tan A.

• 17/8

• 17/15

• 8/17

• 8/15

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

What is cos120^o

• -1/2

• √2/2

• -√3/2

• -1

what is tan315^o

• -√3

• √2/2

• 1/2

• -1

What is the reference angle for 240 degrees?

• 60 degrees

• 30 degrees

• 45 degrees

• 210 degrees