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Stella [2.4K]
3 years ago
7

What is the value of y?

Mathematics
2 answers:
ch4aika [34]3 years ago
7 0

Answer:

A. 54

Step-by-step explanation:

A triangle altogether has 180 degrees.

y=same number

180-72=108

108/2=54

Karolina [17]3 years ago
4 0

Answer:

A. 54°

Step-by-step explanation:

Angles in a triangle add up to 180 degrees.

y + y + 72 = 180

2y + 72 - 72 = 180 - 72

2y = 108

(2y)/2 = 108/2

y = 54

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