if the diameter of a circle is 15, its radius is half that or 7.5.
![\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=7.5 \end{cases} A=\pi (7.5)^2\implies A=56.25\pi \implies \stackrel{\pi =3.14}{A=176.625}](https://tex.z-dn.net/?f=%5Cbf%20%5Ctextit%7Barea%20of%20a%20circle%7D%5C%5C%5C%5C%20A%3D%5Cpi%20r%5E2~~%20%5Cbegin%7Bcases%7D%20r%3Dradius%5C%5C%5B-0.5em%5D%20%5Chrulefill%5C%5C%20r%3D7.5%20%5Cend%7Bcases%7D%20A%3D%5Cpi%20%287.5%29%5E2%5Cimplies%20A%3D56.25%5Cpi%20%5Cimplies%20%5Cstackrel%7B%5Cpi%20%3D3.14%7D%7BA%3D176.625%7D%20)
Answer:
I don’t know 160.
Step-by-step explanation:
20 plus 160 equals 180.
Answer: To find it multiply 3 cm times 3 to get 9 in
Step-by-step explanation: If 1 cm is equal to 3 inches then to get the product multiply the number by 3 then convert to inches.
hope this helps mark me brainliest
Answer:
The first picture and 28.2 square units
Step-by-step explanation:
Equation: A+1/2ps
A = area of the base
p = perimeter of the base
s = slant height
3²+1/2(12)(3.2)=28.2
Answer:
As a fraction it's ¼, as a decimal it's 0.25 and as a percentage it's 25%
