Lesson 7 Finding Unknown Quantities on a Unit Circle

Lesson 7 Finding Unknown Quantities on a Unit Circle

Multiple Choice

The center of a clock is at (0,0) in a coordinate system, and the minute hand is 10 inches long. Find the approximate coordinates of the tip of the minute hand at:

12:05 p.m.

• (5,8.7)

• (8.7,5)

• (0.5,0.87)

• (0.87,0.5)

Multiple Choice

The center of a clock is at (0,0) in a coordinate system, and the minute hand is 10 inches long. Find the approximate coordinates of the tip of the minute hand at:

12:45 p.m.

• (-1,0)

• (0,-1)

• (-10,0)

• (0,-10)

Multiple Choice

The center of a clock is at (0,0) in a coordinate system, and the minute hand is 10 inches long. Find the approximate coordinates of the tip of the minute hand at:

12:55 p.m.

• (-5,8.7)

• (8.7,-5)

• (-0.5,0.87)

• (0.87,-5)

Open Ended

Multiple Choice

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4

Open Ended