What is the area of this triangle?
Enter your answer in the box.

Answer:
A = 14 units ^2
Step-by-step explanation:
The area of a triangle is
A = 1/2 b h where b is the base and h is the height
b = the length of EF which is 7 units
h = D to the line EF which is 4 units
A = 1/2 (7*4)
A = 14 units ^2