Sorry i made a typo it suppost to read 20m for one base not 12.
Directions:
Crafts. Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 12m, and the area is 224m ^2, find the length of the other base.
Area= 1/2 (12 + L)*16
solve for L.