Find the Angle on Unit Circle

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary

• complimentary

• central

• obtuse

Tags

CCSS.HSG.C.A.2

What is the value of θ, theta, in degrees on the unit circle?

• 30°

• 45°

• 60°

• 90°

Tags

CCSS.5.G.A.1

What is this angle in radians?

Tags

CCSS.HSF.TF.A.1

• undefined

Answer explanation

Tags

CCSS.HSF.TF.C.9

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Answer explanation

Tags

CCSS.HSF.TF.C.9

• 1
• 2
• 3
• 4

Tags

CCSS.HSF.TF.A.2

Using θ as a reference angle, mark the triangle sides as Opp, Adj, and Hyp. Label these on the triangle on your paper.

• Hyp

• OP

• Opp

• y

• Adj

• x

Using θ as a reference angle, mark the triangle sides as Opp, Adj, and Hyp. Label these on the triangle on your paper.

• Hyp

• y

• Adj

• OP

• Opp

• x

Tags

CCSS.HSG.SRT.C.6

The Unit Circle has four quadrants such that:

• All quadrants have 90 degrees

• Quadrant IV is between π and 3π/2 radians

• Quadrant III is between 3π/2 and 2π and radians

• Quadrant I is where the acute angles are

Tags

CCSS.HSF.TF.A.2