Question 414282


let height = x m ,base = x -15 

1/2 * x * (x-15) = 92 

=> x(x-15) = 184

=> x^2 - 15x -184 =0

=> x^2 -23x + 8x -184 =0

=> (x-23)(x+8) = 0

so, x =23

height = 23 ,  base = 8 m