Thursday, 2/2/23, Warm Up, Trig Functions Review

A region bounded by two radii of the circle and their intercepted arc is a ...

• arc of a circle

• sector of a circle

• arc length of a circle

• segment of a circle

Find the area of sector.

Tags

CCSS.HSG.C.B.5

Find the area of the shaded sector. Round to the nearest hundredth.

• 7.92 units ²

• 24.74 units²

• 10.60 units²

• 98.19 units²

Tags

CCSS.HSG.C.B.5

Tags

CCSS.HSG.C.B.5

In a​ circle, a 90° sector has area 64π in². What is the radius of the​ circle?

• 16 in

• 32 in

• 64 in

• 128 in

Tags

CCSS.HSG.C.B.5

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90
• 60
• 55
• 113

Tags

CCSS.HSG.C.B.5

• Angular velocity measured in radians

• The central angle measured in degrees

• The central angle measured in revolutions

• The central angle measured in radians

Tags

CCSS.HSG.SRT.C.8

A ceiling fan has 18 inch blades and turns at a rate of 45 revolutions per minute.  What is the angular speed in radians per hour?

• 90π rad / 1 hr
• 2700π rad / 1 hr
• 5400π rad / 1 hr
• 97200π rad / 1 hr

Tags

CCSS.HSF.TF.A.1

A car tire has a diameter of 14 inches and is spinning at a of 10 revolutions per second. What is the linear speed in inches per second?

• 280π in / s

• 140π in / s

• 280 rad / s

• 300 in / s