Radians, Degrees, and Special Rights

Label each of the following.

a

b

c

Short Leg

Hypotenuse

Long Leg

what is 165° in radians?

• 13π/12

• 7π/12

• 19π/12

• 11π/12

What is 225  degrees in radians? 

• 7π/4
• 5π/4
• 3π/4
• 5π/3

• 60⁰

• 30⁰

• 90⁰

• 45⁰

What is 5π/12 in degrees?

• 105°

• 75°

• 165°

• 195°

Which of the following are considered special right triangles?

• 30-60-90

• 45-45-90

• 20-70-90

• 40-50-90

What is the value of y?

What is the value of x?

What is the value of y? Value only, no y =

Mathematical Equivalence

OFF

Match the following for finding sides in a 30-60-90 right triangle.

• Short leg times square root of 3

• Hypotenuse

• Half of the hypotenuse

• Short Leg

• Double the short leg

• Long Leg