Bethania's garden is in the shape of a right triangle. She has built walls on two sides
as shown in the figure below.
t
If Bethania decides to put up a fence to cover the third side of her garden and
fencing is sold by the foot, how much fencing should Bethania purchase?
A. 10 feet
B. 9 feet
C. 7 feet
D. 8 feet
