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3 years ago

PLEASE HELP I WILL GIVE BRAINLIEST

Mathematics

2 answers:

AlekseyPX3 years ago

8 0

Answer:

Step-by-step explanation:

Sum of all angles is 360 degrees

Let the measure of angle M equal x.

x+90+77+128=360

x=65

Measure of angle M is 65 degrees

SOVA2 [1]3 years ago

3 0

Answer:

65 degrees

Step-by-step explanation:

The angles will sum up to 360, just do 360 - all known angles

360 - 90 - 128 - 77 = 65

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Answer:

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Step-by-step explanation:

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