MathDB
Find the sum of the angles

Source: 1971 AHSME Problem 5

April 17, 2014
AMC

Problem Statement

Points A,B,Q,D,A,B,Q,D, and CC lie on the circle shown and the measures of arcs BQ^\widehat{BQ} and QD^\widehat{QD} are 4242^\circ and 3838^\circ respectively. The sum of the measures of angles PP and QQ is
<spanclass=latexbold>(A)</span>80<spanclass=latexbold>(B)</span>62<spanclass=latexbold>(C)</span>40<spanclass=latexbold>(D)</span>46<spanclass=latexbold>(E)</span>None of these<span class='latex-bold'>(A) </span>80^\circ\qquad<span class='latex-bold'>(B) </span>62^\circ\qquad<span class='latex-bold'>(C) </span>40^\circ\qquad<span class='latex-bold'>(D) </span>46^\circ\qquad <span class='latex-bold'>(E) </span>\text{None of these}
[asy] size(3inch); draw(Circle((1,0),1)); pair A, B, C, D, P, Q; P = (-2,0); B=(sqrt(2)/2+1,sqrt(2)/2); D=(sqrt(2)/2+1,-sqrt(2)/2); Q = (2,0); A = intersectionpoints(Circle((1,0),1),B--P)[1]; C = intersectionpoints(Circle((1,0),1),D--P)[0]; draw(B--P--D); draw(A--Q--C); label("AA",A,NW); label("BB",B,NE); label("CC",C,SW); label("DD",D,SE); label("PP",P,W); label("QQ",Q,E); //Credit to chezbgone2 for the diagram[/asy]