Reference and Coterminal Angles

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Quadrantal angle

- if the terminal side of an angle lies on the axis (like a 90 or 180 degree angle).

initial side

- the ray on the x-axis of an angle in standard position.

terminal side

- the ray that rotates in an angle in standard position.

280°

Name an angle 0⁰≤θ≤360⁰ coterminal to 1000°

-95°

Name an angle 0⁰≤θ≤360⁰ coterminal to 265°

95°

Name an angle 0⁰≤θ≤360⁰ coterminal to 455°

55°

Name an angle 0⁰≤θ≤360⁰ coterminal to 775°

40°

Name the reference angle for -400°

27°

Name the reference angle for 153°

16°

Name the reference angle for 16°

Name the reference angle for 181°

53°

Name the reference angle for 233°

66°

Name the reference angle for 294°

15°

Name the reference angle for 885°

84°

Name the reference angle for 96°

38°

What is the reference angle for 322°?

120°

Name a quadant 2 angle with reference of 60°

150°

Name a quadrant 2 angle with reference angle of 30°

135

Name a quadrant 2 angle with reference angle of 45°

225°

Name a quadrant 3 angle with reference angle 45°

210°

Name a quadrant 3 angle with reference angle of 30°

330°

Name a quadrant 4 angle with reference angle of 30°

315°

Name a quadrant 4 angle with reference of 45°

300°

Name a quadrant 4 angle with reference of 60°

59°

What is the reference angle for 59°?

1

What quadrant is -322°?

3

What quadrant is -510°?

4

What quadrant is 275°?

2

What quadrant is 510°?

reference angle

an acute angle formed by the terminal side of the given angle and the x-axis.

clockwise angle measurement

the measurement of the angle is negative

Counterclockwise angle measurement

the measurement of the angle is positive

coterminal angles

two angles that have the same terminal side.

77°

Name an angle 0⁰≤θ≤360⁰ coterminal to -283°

348°

Name an angle 0⁰≤θ≤360⁰ coterminal to -372°

50°

What is the reference angle for 230°?

standard position

- an angle is in standard postion if its vertex is located at the origin and one ray is on the positive x-axis.

30°

Find the reference angle of 210 degrees

45°

What is reference angle for 225°?

80°

What is the reference angle for -100°?

75°

What is the reference angle for -285°?

70°

What is the reference angle for 110°?

35°

What is the reference angle for 145°?

20°

What is the reference angle for 200°?

-10°

Name an angle -360⁰≤θ≤0⁰ coterminal to -370°

-250°

Name an angle -360⁰≤θ≤0⁰ coterminal to 110 degrees

-237°

Name an angle -360⁰≤θ≤0⁰ coterminal to 123°

-200°

Name an angle -360⁰≤θ≤0⁰ coterminal to 160 degrees

-265°

Name an angle -360⁰≤θ≤0⁰ coterminal to 455°

-305°

Name an angle -360⁰≤θ≤0⁰ coterminal to 775°

-283°

Name an angle -360⁰≤θ≤0⁰ coterminal to 77°

-437°

Name an angle -720⁰≤θ≤-360⁰ coterminal to -77°

260°

Name an angle 0⁰≤θ≤360⁰ coterminal to -100 degrees

240°

Name an angle 0⁰≤θ≤360⁰ coterminal to -120°

440°

Name an angle 360⁰≤θ≤720⁰ coterminal to 80 degrees

78°

Name the reference angle for -102°

24°

Name the reference angle for -156°

60°

What is the reference angle for 240°?


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