Parts of a circle
study the example and then answer each question.
a circle is the set of points that are all the same distance from a center point. a
circle is usually named by its center point. for example, the circle shown is called
circle b
in the example on the left, line segment db is a
circle b.
center
the circle shown has point o as its center.
a. radius
b. circumference
c. diameter

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?