Algebra 2 Unit Y Angle Measures Review

What is  $\frac{11\pi}{6}$   radians in degrees? 

• 30

• 330

• 360

•  300

What is 225  degrees in radians? 

• 7π/4
• 5π/4
• 3π/4
• 5π/3

What is $\frac{2\pi}{3}$   radians in degrees? 

• 150

• 120

• 180

•  30

What is 270 degrees in radians? 

• π/4
• 3π/2
• 3π/4
• π/2

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

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

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

A central angle measure 4.5 radians and has an arc of 35 inches. What is the radius of the circle?

• 7.78 inches

• 8.21 inches

• 157.5 inches

• 7 inches

Find the arc length.

• 3π/4 ft

• 39π/4 ft

• 13π/4 ft

• 4π/13 ft