Review of Unit 3 Precal

Find the length of the bold arc.

• 32ft
• 8.6ft
• 60.5ft
• 21,771.2ft

Tags

CCSS.HSG.C.B.5

Find the area of each sector.

• 4248 m²
• 7.9 m²
• 2827.4 m²
• 11.8 m²

Tags

CCSS.HSG.C.B.5

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47
• 74
• 94
• 123

Tags

CCSS.HSG.C.B.5

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet.  The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 35
• 48
• 65
• 69

Tags

CCSS.HSG.C.B.5

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6

Tags

CCSS.HSF.TF.A.1

What is 120 degrees in radians?
 

• 2π/3
• π/3
• 5π/3
• 4π/3

Tags

CCSS.HSF.TF.A.1

What are the negative and positive coterminal angles of -225 degrees?

• 375°, -600°
• 125°, -356°
• 135°, -585°
• 60°, -120°

Tags

CCSS.HSF.TF.A.2

What is the positive co-terminal angle for  2π/3

• 8π/3
• 11π/3
• 7π/3
• 5π/3

What is the negative co-terminal angle for  7π/6

• −17π/6
• −13π/6
• −15π/6
• −19π/6

What is the radian measure of an angle subtended by an arc of a circle with radius 4 cm if the intercepted arc has length 14 cm? How many degrees?
Draw a picture!

• 3.5 radians; 200.5 degrees
• 0.29 radians; 16.62 degrees
• pi/2 radians; 90 degrees
• 3 radians; 171.89 degrees