6.1 Angles

Convert 150⁰ to radians

• 5π/6
• 3π/4
• 7π/6
• 2π/3

Convert π/3 radians to degrees

• 60⁰
• 30⁰
• 90⁰
• 45⁰

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6

Find the arc length. (s = rθ) Round to the nearest whole number. (Hint: θ has to be in radians)

• 11 cm

• 630 cm

• 15 cm

• 14 cm

An arc length of 5 in. is intersected by a central angle in a circle with a radius of 10 in. What is the measure of the angle? (θ = s/r)

• 0.5 radian

• 2 radians

• 1.2 radians

• 1 radian

Which of the following is a negative coterminal angle of 165 degrees?

• 295

• 525

• -525

• -195

Find an angle coterminal with an angle which measures 11π ∕ 3.

• 17 π / 3
• 4π ∕ 3
• π ∕ 3
• 8π ∕ 3

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

Find an angle coterminal with an angle measuring 17π / 4 radians.

• π ∕ 3
• 5π ∕ 4
• π ∕ 4
• 13π ∕ 4

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

Which angle is complementary to π/3?

• 2π/3
• π/6
• − 5π/3
• 5π/3

Tags

CCSS.8.G.A.5