Difference between revisions of "2014 AMC 8 Problems/Problem 9"

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<math>[asy]
+
<math> \textbf{(A) }100\qquad\textbf{(B) }120\qquad\textbf{(C) }135\qquad\textbf{(D) }140\qquad\textbf{(E) }150 </math>
size(300);
 
defaultpen(linewidth(0.8));
 
pair A=(-1,0),C=(1,0),B=dir(40),D=origin;
 
draw(A--B--C--A);
 
draw(D--B);
 
dot("</math>A<math>", A, SW);
 
dot("</math>B<math>", B, NE);
 
dot("</math>C<math>", C, SE);
 
dot("</math>D<math>", D, S);
 
label("</math>70^\circ<math>",C,2*dir(180-35));[/asy]</math>
 

Revision as of 18:40, 26 November 2014

$\textbf{(A) }100\qquad\textbf{(B) }120\qquad\textbf{(C) }135\qquad\textbf{(D) }140\qquad\textbf{(E) }150$

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