B.Use the figure at the right
pa help po

\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{10000pt}}
\pink{ \rule{500pt}{1500pt}}