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Ymorist [56]
3 years ago
13

the interor angles of a triangle have measures 100 degrees 4y+25 degrees and 3y+20 degrees whats the value of y ​

Mathematics
1 answer:
pav-90 [236]3 years ago
7 0

Answer:

y = 5

Step-by-step explanation:

The 3 interior angles of a triangle sum to 180°

Sum the 3 given angles and equate to 180

100 + 4y + 25 + 3y + 20 = 180 ← simplify left side

7y + 145 = 180 ( subtract 145 from both sides )

7y = 35 ( divide both sides by 7 )

y = 5

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4 years ago
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Natalija [7]

Answer:

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