Posted by Jackie on .
The base of a triangle is 3cm grater than the height. The area is 14cm^2. Find the height and length of the base. Please show how you dervied at your answer.

algebra 
MathMate,
base = height + 3 cm
Area
= bh/2
= (h+3)h/2
14 = (h+3)h/2
Solve for h to get h=4 and b=7