c
step-by-step explanation:
answer
d. 10
explanation
the distance from point y to wx is the height of the triangle.
using pythagoras theorem,
group similar terms to get,
this implies that,
take positive square root of both sides to get,
what is the question? i am guessing you are looking for the area.
to find an area, you have to do length x width.
in this case, it would be 12 ft x 4 ft = 48 sq. ft
need more info