melosa16 melosa16
  • 24-03-2021
  • Mathematics
contestada

2. Solve for b.
(a - 3)

2 Solve for b a 3 class=

Respuesta :

Mekhala
Mekhala Mekhala
  • 25-03-2021

Answer:

Step-by-step explanation:

Sum of angles inside triangle is 180

b + (a -3) + 90 =180

b + a - 3 + 90 = 180

b + a +  87 = 180

b + a +  87 -87 = 180-87

b + a  = 180-87

b + a  = 93

b = 93 -a

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