SOLUTION: A triangle ABC has a base of (x+3)cm & a height of xcm.if it area is 5cm2 ,calculate the length of its base

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: A triangle ABC has a base of (x+3)cm & a height of xcm.if it area is 5cm2 ,calculate the length of its base      Log On


   

Question 966767: A triangle ABC has a base of (x+3)cm & a height of xcm.if it
area is 5cm2 ,calculate the length of its base
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%281%2F2%29BH=5
BH=10
%28x%2B3%29x=10
x%5E2%2B3x-10=0
%28x%2B5%29%28x-2%29=0
Only the positive solution makes sense here,
x-2=0
x=2
.
.
.
x%2B3=highlight%285%29cm