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3 years ago

10

NEED HELP ASAP PLZZZZS????

1 answer:

e-lub [12.9K]3 years ago

4 0

Answer: m∠F = 31°

Solution: The triangle's rotation is irrelevant to the measure of its angles. In other words, angles D, E, and F will all stay the same if the triangle is turned ("rotated"). That being said, we know by definition that the interior angles of a triangle add up to 180°. We are given two of the angles, and we are asked to find the third:

m∠D + m∠E + m∠F = 180°
48° + 101° + m∠F = 180°
149° + m∠F = 180°
m∠F = 31°

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