Q:

An observatory is shaped like a cylinder standing on one of its bases with a dome on top.The diameter of the floor of the observatory is 64 feet.Witch measurement is closest to the circumference of the base of the observatory in feet ?

Accepted Solution

A:
Answer:[tex]200.96\ ft[/tex] Step-by-step explanation:we know thatThe circumference of a circle is equal to[tex]C=\pi D[/tex]in this problem[tex]D=64\ ft[/tex]substitute[tex]C=\pi (64)=64\pi\ ft[/tex] -----> exact value of the circumferenceFind the approximate value of the circumferenceassume[tex]\pi=3.14[/tex][tex]64\pi\ ft=64(3.14)=200.96\ ft[/tex]