SOLUTION: the height of a particular triangle is 2cm. less than three times the length of the base. if the area of the triangle is 112 sq cm., what is the length of the base of the triangle?

Algebra ->  Surface-area -> SOLUTION: the height of a particular triangle is 2cm. less than three times the length of the base. if the area of the triangle is 112 sq cm., what is the length of the base of the triangle?      Log On


   

Question 977694: the height of a particular triangle is 2cm. less than three times the length of the base. if the area of the triangle is 112 sq cm., what is the length of the base of the triangle?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
b, base
y, height

FORMULA FOR AREA
%281%2F2%29b%2Ay

Description: y=-2%2B3b and area is 112.

highlight_green%28%281%2F2%29b%283b-2%29=112%29
Solve for b.