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Find the m The Measure of the exterior angle M is ?? Degrees

Find The M The Measure Of The Exterior Angle M Is Degrees class=

Sagot :

Answer:

m<M is 140

Step-by-step explanation:

180=90+50+x      90=50+x        40=x

180-40=140

Answer:

Step-by-step explanation:

By the External Angle of a triangle theorem:

it is 90 + 50

= 140 degrees.