Question
The base of is numerically 3 less than its area, and the height is numerically 6 less than its area. Find the area of the triangle.I am lost.....
Answers
Steve
b = bh/2 - 3
h = bh/2 - 6
bh/2 = b+3 = h+6
so, h = b-3
b = b/2 (b-3) - 3
2b = b^2-3b-6
b^2-5b-6 = 0
b = 6 or -1
pick b=6
so, h=3
bh/2 = 6*3/2 = 9
h = bh/2 - 6
bh/2 = b+3 = h+6
so, h = b-3
b = b/2 (b-3) - 3
2b = b^2-3b-6
b^2-5b-6 = 0
b = 6 or -1
pick b=6
so, h=3
bh/2 = 6*3/2 = 9