At the end of the city's annual marathon, each participant completed a questionnaire. The marathon's planner randomly chose 30
of the surveys to review. Which statement BEST describes the random sample?
A)The 30 surveys are likely to be representative of all the runners in the
marathon
B)The 30 surveys are likely to be representative of all who came to watch the
marathon
C)The 30 surveys are not likely to be representative of all the runners in the
marathon
D)The 30 surveys are likely to be representative of only the runners placed in
the marathon

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.

answer: .75 km

step-by-step explanation: