Question

What is the value of y?
y + 10
50"
A. 50°
B. 40°
C. 30°
D. 60°

Answer 1

Answer:

B) 40

Step-by-step explanation:

$interior - angle - of a triangle - is - always - 180\\\\2y + (y + 10) + 50 = 180\\2y + y + 10 + 50 = 180\\3y + 60 = 180\\subtract-60-from-both-sides\\3y = 120\\y = \frac{120}{3}\\y = 40$

Answer 2

Answer:

B)

Step-by-step explanation:

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