Square A B C D has side length 10. Point E is on \overline{B C}, and the area of \triangle A B E is 40 . What is B E ?
Answer Choices
A. 4
B. 5
C. 6
D. 7
E. 8
Square A B C D has side length 10. Point E is on \overline{B C}, and the area of \triangle A B E is 40 . What is B E ?
Answer Choices
A. 4
B. 5
C. 6
D. 7
E. 8