1.

The measures of the four angles of a quadrilateral are in the ratio of 1:2:3:4. What is the measure of fourth angle?

A.  \[{{144}^{o}}\]         
B.  \[{{135}^{o}}\]           
C.  \[{{125}^{o}}\]                              
D.  \[{{150}^{o}}\]
Answer» B.  \[{{135}^{o}}\]           


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