8th Grade Illustrative Math Lesson 1.8

Is this a Counter Clockwise or Clockwise rotation?

• Counter Clockwise

• Clockwise

Triangle ABC (The triangle in black) rotated about coordinates (0,0) to a new position. How many degrees did this Triangle rotate to get into the new position of Triangle A'B'C' (The triangle in pink)?

• 90

• 180

• 360

• 270

Point C is at coordinates (-1, 1). What are the new coordinates of C'?

• (-1, 1)

• (-1, -1)

• (1, 1)

• (1, -1)

Point B is at coordinates (-4, 1). What are the new coordinates of B'?

• (-1, 4)

• (-1, -4)

• (1, 4)

• (4, -1)

Is this a Counter Clockwise or Clockwise rotation?

• Counter Clockwise

• Clockwise

Triangle ABC (The triangle in black) rotated about coordinates (0,0) to a new position. How many degrees did this Triangle rotate to get into the new position of Triangle A'B'C' (The triangle in pink)?

• 90

• 180

• 360

• 270

Point C is at coordinates (-1, 1). What are the new coordinates of C'?

• (-1, 1)

• (-1, -1)

• (1, 1)

• (1, -1)

Point B is at coordinates (-4, 1). What are the new coordinates of B'?

• (-1, 4)

• (-1, -4)

• (1, 4)

• (4, -1)