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3 years ago

What is the mesuement for y

Mathematics

1 answer:

telo118 [61]3 years ago

3 0

Answer:

60 degrees

Step-by-step explanation:

add all together

make an equation of the sum= 180

this would mean 9r-9=180

solve

9r-9=180

9r=189

r=21

plug 21 in for r on the angle Y

solve

3(21)-3

63-3

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