chyannehall56 chyannehall56
  • 25-02-2021
  • Mathematics
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I need to find the measure of angle A

I need to find the measure of angle A class=

Respuesta :

jimrgrant1 jimrgrant1
  • 25-02-2021

Answer:

∠ A = 30°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

sum the 3 angles and equate to 180

90 + x + 67 + x + 37 = 180, that is

2x + 194 = 180 ( subtract 194 from both sides )

2x = - 14 ( divide both sides by 2 )

x = - 7

Then

∠ A = x + 37 = - 7 + 37 = 30°

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