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8 votes
8 votes
Find the value of x from the measurements in the triangle

Find the value of x from the measurements in the triangle-example-1
User Jdelator
by
2.7k points

2 Answers

18 votes
18 votes

Answer:

8

Explanation:

2x + 20 + 5x - 11 = 11x - 63

7x + 9 =11x - 63

72 = 4x

x=18

User Melih Sevim
by
2.7k points
21 votes
21 votes

Answer:


\boxed{ \sf{x = 18}}

Explanation:

As we know that the sum of all interior angles of a triangle and the angle in a straight line is 180°.

Therefore,

  • 5x-11+2x+20 = 11x-63
  • 5x+2x-11x = -63+11-20
  • 7x-11x = -83+11
  • -4x = -72
  • x = -72/-4
  • x = 18
User Andrei R
by
3.0k points
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