The quilt is made of squares with diagonals. the length of BD is 4. what is the area of square ABCD

Answer:
8
Step-by-step explanation:
1/2 x 4^2 = a
4^2= 16
1/2 of 16 = 8
Answer:
16
Step-by-step explanation:
Since the shape is a square, and one of the sides is 4, we can multiply it by 4 (because there are 4 sides in a square), and get 16