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Please hurry Interior and Exterior Triangle Angles

Please hurry Interior and Exterior Triangle Angles
asked 28.4k views
15 votes
Please hurry Interior and Exterior Triangle Angles

Please hurry Interior and Exterior Triangle Angles-example-1
asked
User Renil Babu
by
8.2k points

2 Answers

14 votes

Sum of angles=180


\\ \rm\bull\rightarrowtail 5x+7+4x+16+5x+17=180


\\ \rm\bull\rightarrowtail 14x+40=180


\\ \rm\bull\rightarrowtail 14x=140


\\ \rm\bull\rightarrowtail x=10

answered
User Parag Patel
by
8.4k points
10 votes

Solution:

Note that:

  • Sum of interior angles = 180°
  • (5x + 7) + (4x + 16) + (5x + 17) = 180

Simplify the equation to find x.

  • (5x + 7) + (4x + 16) + (5x + 17) = 180
  • => (14x + 40) = 180
  • => 14x = 140
  • => x = 10
answered
User Customcommander
by
8.3k points
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