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The angles of a triangle re 2y , 3y , and 4y ,find the value of y in degrees ​
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5 votes
The angles of a triangle re 2y , 3y , and 4y ,find the value of y in degrees ​

User Muneeb Ur Rehman
by
4.5k points

2 Answers

7 votes

Answer:

y = 20°

Explanation:


Sum\:of\:angles\:in\:a\:triangle = 180\°\\\\2y\°+3y\°+4y\° =180\°\\\\Simplify\\9y\° = 180\°\\\\Divide \:both\:sides\:of\:the\:equation\:by\:9\\(9y)/(9) = (180\°)/(9) \\y = 20\°

User VPNTIME
by
5.1k points
4 votes
2y + 3y + 4y = 9y
180 divided by 9 = 20
Y = 20 degrees
User Rohan Khajuria
by
5.1k points
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