Lognation
Lognation Lognation
  • 24-02-2020
  • Mathematics
contestada

does anyone know how to do this

does anyone know how to do this class=

Respuesta :

ColeS1212
ColeS1212 ColeS1212
  • 24-02-2020

Answer:

m+n=140

Step-by-step explanation:

While it may seem you need to find the measure of m and n, you don't. Looking at the angle with measure of 40 degrees you can see inside the triangle that the top angle is congruent to the angle of 40 degrees. Now that you know that the top of the angle is 40 degrees then knowing a triangle is 180 degrees total you can infer that m+n=140 because adding 140 to 40 is also 180.

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