A2TA Unit Circle Review W5D1

Convert the following to radians:   
720⁰

• 3π
• 4π
• 5π

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSG.C.B.5

Convert the following to degrees:
-8π/5 radians

• -288⁰
• -260⁰
• -275⁰

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSG.C.B.5

Convert  $\frac{9}{8}\pi$  to degrees

•  $202.5\degree$  

•  $415\degree$  

•  $192.5\degree$  

•  $405\degree$  

Convert $138\degree$  to radians

•  $\frac{23}{45}\pi$  

•  $\frac{23}{15}\pi$  

•  $\frac{23}{30}\pi$  

•  $\frac{23}{60}\pi$  

What is the reference angle of 330°?

• 30°

• 130°

• 300°

• -30°

Which of the following is the reference angle of $\frac{7\pi}{4}$  ?

•  $\pi$  

•  $\frac{\pi}{4}$  

•  $\frac{\pi}{3}$  

•  $\frac{\pi}{6}$  

Check all the coterminal angle/s of 210°.

• -150°

• 10°

• 570°

• 30°

Find a coterminal angle to 45°.

• 360°

• 405°

• 315°

• 295°

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

Find the arc length of the bolded arc. Give your answer in terms of π.

• (65/12)π cm

• 17.02 cm

• (845/24)π cm

• 26π cm

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

The length of an arc is 18cm and the radius of the circle is 6cm. What is the radian measure of the central angle?

• 3 radian

• 2 radian

• 4 radian

• 2π radian

Tags

CCSS.HSG.C.B.5