A triangular garden has a height that is 6 meters longer than its base. Let x represent the base. Find a quadratic inequality that shows that the area of the garden must be below 216 square meters. (Hint: The area of a triangle is 1/2bh)

A) 1/2x(x-6)<216

B)1/2x(x+6) less than or equal to 216

C) x(x+6) < 108

D) 1/2x(x+6) <216

Brainiest for correct answers!