Ángulos entre manillas de un reloj

Project ID: 
6000000011
Accepted: 
Tipo: 
Layout: 
Question: 
En las imágenes hay relojes. Empareja los ángulos con sus medidas.
Question 1 Image: 
Answer 1: 
$45^\circ$
Question 2 Image: 
Answer 2: 
$60^\circ$
Question 3 Image: 
Answer 3: 
$75^\circ$
Question 4 Image: 
Answer 4: 
$120^\circ$
Question 5 Image: 
Answer 5: 

$135^\circ$

Question 6 Image: 
Answer 6: 
$90^\circ$
Tex: 
% http://math4u.vsb.cz/ticket/32003 \nonstopmode \documentclass[nofield,minipage]{m4u-sparuj} \input \jobname_\langfile_data.tex \newcommand\OBR[5][4mm]{ \obrMsr{-1.3,1.35,-1.3,1.35}[3.5cm,] { %\obrClip \footnotesize \obrKrizek {0,0}{below}{} \draw (0,0) circle (1); \foreach \i in {1,...,12} {\draw ({cos(90-(\i)*(360.0/12))},{sin(90-(\i)*(360.0/12))}) node {} coordinate (A\i);} \draw[name path = line 1] (A#2)--(A#3); \draw[name path = line 2] (A#5)--(A#4); \path[name intersections/.expanded = {of = line 1 and line 2, by = V}]; \obrUhelB*[#1] {A#3}{V}[?]{A#4} \foreach \i in {1,...,12} {\draw ($1.27*(A\i)$) node {\colorbox{white}{\!\!${\i}$\!\!}};} \foreach \i in {1,...,12} {\draw ($1.025*(A\i)$) -- ($0.975*(A\i)$);} } } \otazka{\OBR 7{11}18}{$45^\circ$} \otazka{\OBR 5137}{$60^\circ$} \otazka{\OBR 8{11}39}{$75^\circ$} \otazka{\OBR 614{11}}{$120^\circ$} \otazka{\OBR 6{11}4{10}}{$135^\circ$} \otazka{\OBR[3mm] 2{10}15}{$90^\circ$} \NastavOD{6} \begin{document} \TAJENKA \preQuestion \Question \vspace*{-10pt} \begin{minipage}{\linewidth} \preQuestions \QuestionsMulti[-10pt]{\textbf{\TEXTQ}}{\otazkysloupce} \vspace*{-20pt} \preAnswers \AnswersMulti[\odpovedimezera]{\textbf{\TEXTA}}{\odpovedisloupce} \postAnswers \end{minipage} \vspace*{-6cm} \end{document}