annawood357 annawood357

27-01-2020
Mathematics

contestada

I need help please and thank you

I need help please and thank you class=

Respuesta :

hyderali230 hyderali230

27-01-2020

Answer:

122 degree

Step-by-step explanation:

As we know that

Sum of all angles of triangle = 180 degree

Angle A + Angle B + Angle C = 180

Angle A + 43 + 15 = 180

Angle A + 58 = 180

Angle A = 180-58

Angle A = 122

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