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  • 17-01-2017
  • Mathematics
Answered

A quadrilateral has angles that measure 60°, 95°, and 150°.


What is the measure of the fourth angle?


A.

25°


B.

55°


C.

85°


D.

125°

Verified Answer :

Anonymous Anonymous
  • 17-01-2017

The sum of all angles of a quadrilateral is equal to 360º.

x=fourth angle;
Therefore:

x+60º+95º+150º=360º
x=360º-60º-95º-150º=55º

Answer: B. 55º

Answer Link

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