Answer:
Circumference is 18.84 feet. Area is 28.26 square feet.
Step-by-step explanation:
Given:
Radius of the circle, ![r=3\textrm{ ft}](https://tex.z-dn.net/?f=r%3D3%5Ctextrm%7B%20ft%7D)
The value of
is 3.14.
Now, circumference of a circle of radius
is given as:
![Circumference=2\pi r=2\times 3.14\times 3=18.84\textrm{ ft}](https://tex.z-dn.net/?f=Circumference%3D2%5Cpi%20r%3D2%5Ctimes%203.14%5Ctimes%203%3D18.84%5Ctextrm%7B%20ft%7D)
Also, area of the circle of radius
is given as:
![Area=\pi r^{2}=3.14\times (3)^{2}=3.14\times 3\times 3=28.26\textrm{ }ft^{2}](https://tex.z-dn.net/?f=Area%3D%5Cpi%20r%5E%7B2%7D%3D3.14%5Ctimes%20%283%29%5E%7B2%7D%3D3.14%5Ctimes%203%5Ctimes%203%3D28.26%5Ctextrm%7B%20%7Dft%5E%7B2%7D)
Therefore, the circumference of the circle is 18.84 feet and area of the circle is 28.26 square feet.
A unit rate is something per one.
That means that we also need to include units so that we could know what we are talking about.
Basically divide, since this one is simple.
15/2 = 7.5
7.5 degrees per hour is our unit rate
Quickly using a calculator (or long division) reveals that 191/238=<span>0.8025=80.25%, which is close to 80%=4/5
Similarly, 106/160=0.6625=66.25%, which is close to 66.67%=2/3</span>
Answer:
A thesaurus
Step-by-step explanation:
Step-by-step explanation:
=> The volume of a triangular pyramid can be found using the formula V = 1/3AH where A = area of the triangle base, and H = height of the pyramid
=> The volume of a cone can be found by V = 1/3(Ab)(H) where Ab is base area and H is the height of the cone
The difference between both is that is it's base. A cone has a polygonal base while a pyramid has a tetragonal base