Area of triangle = 0.5 * height * base if you know any two variable you can get the third from the equation in here we have area = 27 feet ^2 and base = 12 feet so by sub. we can get height as follow : area = 0.5 * h* b 27 = 0.5 * 12 * h 27 = 6 h so , h= 4.5 feet
