Monday
May 20, 2013

Homework Help: geometry

Posted by Anonymous on Friday, April 1, 2011 at 2:29pm.

if ED=10 and DB=3x-8 whats the lenght of EB

• geometry - MathMate, Saturday, April 2, 2011 at 12:41pm

There are in fact three cases.

Case 1: (seemingly obvious case)
E-----D--------B
ED=10
DB=3x-8
EB=10+3x-8=3x+2

Case 2:
E-----B-------D
ED=10
DB=3x-8
EB=10-(3x-8)=18-3x=3(6-x)

Case 3:
D-----E--------B
ED=10
DB=3x-8
EB=3x-8 - 10 = 3x-18=3(x-6)

Related Questions

Geometry - If DE = x^2 + 4 and EB = 3x^2 - 5x - 8, find x and DB.
geometry - if ed= x+4, and dm= 3x-8 find ed,dm and eb
geometry - Point E is the centroid of triangle ABC. Find DB. AF = 10x=3 EF = 2x+...
geometry - in the accompanying diagram of circle O,chords AB and CD intersect at...
Music - I have a few questions about the circle of forths. Alright so the circle...
geometry - Find the value of ED, if AE = 6 mm, EB = 8 mm, and CE = 12 mm.
Physics - Point A is 5 m from a loudspeaker. At point B, the loudspeaker sounds ...
Geometry - the legs of an isosceles triangle have lengths 2x+4 and x-8 the base ...
geometry - Write a two column proof. Given CE = CA, EB and AD are medians, Prove...
Math - In the diagram below of triangle ACD, E is a point on line AD and B is a ...