Respuesta :

Answer:

70

Step-by-step explanation:

A triangle angles add up to 180 so you add up 70 and 40  and then subtract that answer from 180 and you get 70

545633

Answer:

70 degrees.

All three sides of a triangle added together will equal 180 degrees. If 70 and 40 are added together then you get 110. Then you subtract the total 180 and the two angles that equal 110. You get 70 degrees, which is your missing angle.

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