Two rectangles ABCD and DBEF are as shown in the figure. The area of rectangle DBEF in square units is
A. 10
B. 12
C. 14
D. 15
Answer:B
Two rectangles ABCD and DBEF are as shown in the figure. The area of rectangle DBEF in square units is
A. 10 B. 12 C. 14 D. 15