Answer:
A = 325 yd^2
Explanation:
The area of a parallelogram is found by multiplying the base times the height
A = bh
A = 15* 21 2/3
Changing the mixed number to an improper fraction
21 2/3 = (3*21+2)/3 = 65/3
A = 15 * 65/3 = 15/3 *65 = 5*65 =325
A = 325 yd^2