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43 votes
43 votes
Solve for x in the triangle below?A. x = 7B. x = 8C. x = 9D. None of the above

Solve for x in the triangle below?A. x = 7B. x = 8C. x = 9D. None of the above-example-1
User DaveCrawford
by
2.5k points

1 Answer

22 votes
22 votes

We need to remember the sum of the interior angles of a triangle is 180°

In order to find x we have the next equation

110+5x+2x=180

We sum similar terms

7x=180-110

we isolate the x

7x=70

x=70/7

x=10

User JustTheHighlights
by
3.1k points
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