17-01-2020
Mathematics

contestada

So confused pls help me

So confused pls help me class=

Respuesta :

sam4040 sam4040

23-01-2020

Answer:

[tex]a=49[/tex]

Step-by-step explanation:

The angle having value [tex](a+49)\textdegree[/tex] is the exterior angle.

Exterior angle of a triangle is equal to the sum of the other two opposite angles.

Hence

[tex]a+49=a+a\\\\a+49=2a\\\\2a=a+49\\\\2a-a=49\\\\a=49[/tex]

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