Homework Help: geometry

Posted by jenny on Saturday, June 12, 2010 at 6:25pm.

In triangle abc, point B is on segment ab, and point E is on segment bc such that segment de is parallel to segment ac if db=2, da=7, de=3, what is the length of segment ac?

geometry-typo - MathMate, Saturday, June 12, 2010 at 7:46pm
"In triangle abc, point D is on segment ab,...."

If you draw the diagram according to the corrected information, you will find that triangles BDE and BAC are similar.
Since AC:DE = AB:DB, therefore
AC=AB*DE/DB=(7+2)*3/2=13.5

Answer this Question

Related Questions

Math - Find the length of segment BC if segment BC is parallel to segment DE and...
geometry - IVEN: trapezoid ABCD EF are the midpoints of segment AB and segment ...
geometry - given: segment AB is paralell to segment DC; segment AB is congruent ...
geometry - Given: segment DE is perpendicular to segment AB and segment AD is ...
Geometry-8th gr - The perimeter of triangle ABC is 120. LIne segment BD bisects...
GeOmEtRy!!! - In triangle ABC,segment BF is the angle bisector of angle ABC, ...
Geometry - Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: ...
Geometry - Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: ...
Geometry - Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: ...
geometry - If segment AB is a diameter, AB =10, and measure angle ABC =45, how ...

For Further Reading

First Name:
School Subject:
Answer: