Perimeter = 2(10+20) = 60feet
60ft fencing material is needed
Answer:
c
Step-by-step explanation:
Given that:

since cos (kπ) = 
Then, the series can be expressed as:

In the sum of an alternating series, the best bound on the remainder for the approximation is related to its
term.
∴




Answer:

Step-by-step explanation:
we know that
In a parallelogram opposite sides are equal and parallel
The figure FHJM is a parallelogram
so


therefore

There are 36 inches in a yard. 36*6.75 =243. 6.75 yards is the same as 243 inches.