Answer:
100.48 feet
Step-by-step explanation:
The circumfrence of a circle is represented in the equation C=2\pi r^{2}
So we input the values into the equation C=2(3.14)(4)^2 which when entered into a calculator gives you 100.48feet
Answer:
Step-by-step explanation:
First, make them on one side of the formula in the form of 
which is 
Next, insert the corresponding number in the quadratic formula, 
, and the answer can be calculated.
Answer:
A. 219.80 square centimeters
Step-by-step explanation:
The total surface area is given by ...
A = πr(r+s)
where r is the radius and s is the slant height. Filling in the given numbers, you get ...
A = 3.14·(5 cm)·(5 cm +9 cm) = 219.80 cm²
10 is the answer i think bro
