Sorry I can't do number six, but the answer to number five should be ≈24.01 using the cosine ratio.
Answer: 2 ft
Explanation:
We know a square has four equal sides and that the perimeter is the length around the shape.
8 ft / 4 = 2 ft
Therefore, the length of each side is 2 ft
Answer:
Step-by-step explanation:
The equation for a circle is

We have an h, k, x, and y; we need to find r-squared. Filling in:
which simplifies to
which simplifies to
which means that

Our equation, then, is

BI = BK bc bisecting it means cutting it in half