What is the measure of ∠m?

a.
53°

b.
65°

c.
81°

d.
98°

The shape is a quadrilateral, because it has four sides.

And sum of angles in a quadrilateral = 360 degrees.

The angle with no number but just a symbol = 90 degrees.

From the  fourth angle been  M:

Therefore:  90 + 62 + 127 + M = 360

279 + M = 360

M = 360 - 279

M = 81

M = 81°

Option C.

I hope this explains it.

I’m pretty sure it’s i think : /