Radians and Arc Length Check

36º = ___ radians

• π/9

• π/10

• π/5

• π/4

-480º = ___ radians

• 8π/3

• • 4π/3

• • 8π/5

• • 3π

60º = ___ radians

• π/3

• π/8

• π/4

• π/2

-135º = ___ radians

• -3π/4

• -4π/5

• -5π/6

• -4π/3

3π/4 radians = (a)   degrees

5π/6 radians = ____

• 135 degrees
• 150 degrees
• 120 degrees
• 180 degrees

-1.5 radians = ____ degrees

• -105.7 degrees
• -75.3 degrees
• -85.94 degrees
• -95.5 degrees

-π/12 radians = (a)   degrees

Which of the following are coterminal to 50º?

Groups:

(a) Coterminal

,

(b) Not coterminal

• -390

• 410

• 770

• -310

• 590

• -670

• 230

• -130

Which of the following are coterminal to 3π/4?

Groups:

(a) Coterminal

,

(b) Not coterminal

• -5π/4

• 7π/4

• -13π/4

• 19π/4

• 11π/4

• 4π/3

• -π/4

• -3π/4