3 years ago

The reference angle for an angle whose measure is -440° is _____. 60° 80° 100°

Mathematics

1 answer:

umka21 [38]3 years ago

8 0

Answer:

80°

Step-by-step explanation:

The reference angle is the smallest angle that the terminal side of a given angle makes with the x-axis.

An angle of -440° lies in the fourth quadrant.

For an angle θ in the fourth quadrant, the reference angle is 360° + θ.

The reference angle is

360° - 440° = 80°

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