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in the triangle DEF, angle D measures 3x, angle E measures 6x+12, and angle F measures 5x. what is the value of x
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in the triangle DEF, angle D measures 3x, angle E measures 6x+12, and angle F measures 5x. what is the value of x

in the triangle DEF, angle D measures 3x, angle E measures 6x+12, and angle F measures-example-1
User Anz
by
8.5k points

1 Answer

7 votes

Answer:

x = 12

Explanation:

3x + 6x + 12 + 5x = 180

14x + 12 = 180

14x = 168

x = 12

User Niki Van Stein
by
8.0k points
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