chloe7818
chloe7818 chloe7818
  • 20-05-2021
  • Mathematics
contestada

What is the measure in degrees, of ZA?

What is the measure in degrees of ZA class=

Respuesta :

ColinG
ColinG ColinG
  • 20-05-2021

Answer: 56°

Step-by-step explanation:

Since the sum of interior angles of a triangle always equals 180, we can set up an equation and solve for x.

40 + 2x + 3x = 180.

Solved for x  we get x = 28

Since ∠A = 2x, we sub in x and get 56.

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