Basic Unit Circle

What is the value of sine at 30

• 1/2

• √3 / 2

• 0

• √2 ⁄ 2

Type in ONE of the quadrantal angles (you have several to choose from):

What is the radius of the Unit Circle?

(type only the number.)

135° is found in which quadrant?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4

Which of the following points is in the unit circle?

• (1 / 2 , 1 / 2)

• (-√2 / 2 , -√2 / 2)

• (√2 / 3 , -√2 / 3)

• (3 / 2 , 2 / 3)

Drag and drop the (x,y)-coordinates of the unit circle into the correct space.

g

h

j

f

d

b

a

Tags

G.GSR.7.3

Answer explanation

What is the radius of a unit circle?

• 1

• 2

• 1/2

• 0

• (0, 1)

• (1, 0)

• (0, -1)

• (-1, 0)

• 1

• -1

• 0

• Undefined