melosa16 melosa16

24-03-2021
Mathematics

contestada

2. Solve for b.
(a - 3)

2 Solve for b a 3 class=

Respuesta :

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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