The circle graph shows the results of a survey in which 250 students were asked to choose their favorite color. How many more st
udents chose purple than red as their favorite color?
1 answer:
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Answer:
Step-by-step explanation:
we know that
The tangency point on the x-axis is (r,0)
The tangency point on the y-axis is (0,r)
Find the slope of the line containing the points of tangency
Remember that the equation of the line into slope intercept form is equal to
where
m is the slope
b is the y-coordinate of the y-intercept
In this problem we have
substitute