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3. triangle abc has angle measures as shown (look at image).

(a) using the triangle sum theorem, write the equation and solve for x.

(b) what is the value of < b? show your work.

3 triangle abc has angle measures as shown look at image a using the triangle sum theorem write the equation and solve for x b what is the value of lt b show yo class=

Respuesta :

Answer:

x = 6, ∠B = 50°

Step-by-step explanation:

a) 8x + 2 + 70 + 60 = 180

8x + 132 = 180

8x = 180 - 132 = 48

x = 48/8 = 6

b) ∠B = 180 - 70 - 60 = 50°

or 8x + 2 = 8*6 + 2 = 50°

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