# Difference between revisions of "2005 AMC 10B Problems/Problem 23"

(→Problem) |
5849206328x (talk | contribs) m (Fixed errors) |
||

Line 1: | Line 1: | ||

== Problem == | == Problem == | ||

− | In trapezoid | + | In trapezoid <math>ABCD</math> we have <math>\overline{AB}</math> parallel to <math>\overline{DC}</math>, <math>E</math> as the midpoint of <math>\overline{BC}</math>, and <math>F</math> as the midpoint of <math>\overline{DA}</math>. The area of <math>ABEF</math> is twice the area of <math>FECD</math>. What is <math>AB/DC</math>? |

− | \mathrm{(A)} 2 \qquad \mathrm{(B)} 3 \qquad \mathrm{(C)} 5 \qquad \mathrm{(D)} 6 \qquad \mathrm{(E)} 8 | + | <math>\mathrm{(A)} 2 \qquad \mathrm{(B)} 3 \qquad \mathrm{(C)} 5 \qquad \mathrm{(D)} 6 \qquad \mathrm{(E)} 8 </math> |

== Solution == | == Solution == | ||

+ | |||

+ | |||

== See Also == | == See Also == | ||

*[[2005 AMC 10B Problems]] | *[[2005 AMC 10B Problems]] |

## Revision as of 17:44, 1 June 2009

## Problem

In trapezoid we have parallel to , as the midpoint of , and as the midpoint of . The area of is twice the area of . What is ?