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Romashka [77]
3 years ago
11

What is the value of y?

Mathematics
2 answers:
mojhsa [17]3 years ago
4 0
<h2>QUESTION:- What is the value of y?</h2>

<h2>ANSWER:- </h2>

SUM OF ALL INTERIOR ANGLE = 180

y + y + 72 = 180 \\ 2y + 72 = 180 \\ 2y = 180 - 72 \\ 2y = 108 \\ y =  \frac{108}{2}  \\ y =  \frac{ \cancel{108}^{ \:  \:  \:  \tiny{54}}  }{ \cancel{2}}  \\ y = 54 \degree

Scorpion4ik [409]3 years ago
3 0

the sum of triangle is 180 :

y + y + 72 = 180 \\ 2y + 72 = 180 \\ 2y = 180 - 75 \\ 2y = 108 \\ y =  \frac{108}{2}  \\ y = 54

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