Answer:
15 units^2
Explanation:
Formula for area:
length × width or l × w
Count the length of BA or CD (they should equal the same):
Length (l) = 5 units
Count the width of AD or BC (they should equal the same):
Width (w) = 3 units
Plug these numbers into the formula:
5 units × 3 units
15 units^2