A triangle has base 2x+1 and height 6x+3. What value of x would give an area of 240 m^2? Round to the nearest hundreth.

Question

asked Dec 17, 2018 190k views

1 Answer

Jeremy Logan · Answer 1 · 2018-12-24T15:46:08+0000

.5 * (2x +1) * (6x + 3) = 240
(x + .5) * (6x + 3) = 240
6x^2 +6x + 1.5 = 240
6x^2 +6x + -238.5 = 0
x = 5.8246

base = 12.6492
height = 37.9476