ahutton08
ahutton08 ahutton08
  • 21-10-2020
  • Mathematics
contestada

please help with this question

please help with this question class=

Respuesta :

omniaosman461
omniaosman461 omniaosman461
  • 21-10-2020

Answer:

Measure of /_x = 40°

Measure of /_A = 65°

Step-by-step explanation:

Measure of a triangle is always=180°

/_A + /_B + /_C = 180°

x+25 + 2x-5 + x = 180°

4x + 20 = 180°

4x = 180° - 20

4x = 160°

x = 160°/ 4

x = 40°

And /_ A = x + 25

So, /_ A = 40° + 25

Therefore, /_A = 65°

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