Answer:
i have no idEa
Step-by-step explanation:
Recall that

.
If you know the Maclaurin series for

, finding this expansion should be easy.

now, for 13c
how much square feet will be covered? square feet means, Area,
namely, what is the area of that triangle?
well, now you know what sides "a" and "b" are,
area of a triangle is 1/2 b * h
Answer:
√41, or about 6.4 units
Step-by-step explanation:

√41 is about 6.4 units