Question 317507
base = (1/3)x 
height = x 
area = 24 
Formula needed is A = 1/2 times base times height. 
24 = (1/2)(1/3)(x) times (x) 
24 = (x/6) (x) 
24 = x^2/6 
24*6 = (x^2/6)*6 
144 = x^2 
sqrt{144} = sqrt{x^2} 
12 = x 
The height is 12 meters. 
The base is 1/3 of 12 or 4 meters. 
Done!