Question

Angle M has a measure between 0° and 360° and is coterminal with a –620° angle. What is the measure of angle M?
A.100°
B.110°
C.120°
D.130°

Answer 1

negative angles are measured clockwise from 0 degrees.

620 = 360 + 260

260 clockwise  = 100 degrees anticlockwise

co terminal angle is 100 degrres

Choice A

Answer 2

The measure of angle M, which has the measure between the  0° and 360° and coterminal -620 degrees is 100 degrees.

What is the angle?

Angle is the space between the line or the surface that meets.  And the angle is measured in degree. For complete 1 rotation, the angle is 360 degrees.

It is given that, the angle M has a measure between 0° and 360° and is co-terminal with a –620° angle.

Now, to find the angle is between 0 to 360 degrees, follow the steps,

• The angle is -620 degrees.

• Make it in the range

• Add 360 in it.

$-620 + 360 = -260$

The angle will be -260, then again add,

360.- 260 + 360 = 100 degrees

The measure of angle M, which has the measure between the  0° and 360° and coterminal -620 degrees is 100 degrees.

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