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Two angles are supplementary. The first angle is equal to x, and the second angle is equal to 3x-12. The value of x is equal to

User Kuma
by
7.9k points

2 Answers

6 votes

Answer:

x = 48

Explanation:

Supplementary angles sum to 180°

add the 2 angles and equate to 180

x + 3x - 12 = 180 ( add 12 to both sides )

4x = 192 ( divide both sides by 4 )

x = 48

User Bello
by
8.3k points
1 vote

>> Answer

_________


\:

  • Triangle = 180

Soo :

x + 3x - 12 = 180

4x - 12 = 180

4x = 180 + 12

4x = 192

x = 192 ÷ 4

x = 48

User Stream
by
7.4k points

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