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Help please! I'm confused on where to start in this problem?

Help please! I'm confused on where to start in this problem?-example-1
User Iteong
by
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1 Answer

3 votes

Answer:

x = 61.5

Explanation:

The sum of the interior angles of a quadrilateral = 360°

Sum the 4 angles and equate to 360

110 + 130 + x + x - 3 = 360

2x + 237 = 360 ( subtract 237 from both sides )

2x = 123 ( divide both sides by 2 )

x = 61.5

User DukeLover
by
7.9k points