There are 375 books sold at Sid's Bookstore. The table below summarizes these books by genre. This info is presented in circle graph. Find the central angle measure for Self Help slice in graph. Mystery 99, romance 81, self help 90, cooking 57, biography 48.
Answers
Answer 1
When you plot the data in a pie graph, it looks like that shown in the picture. A circle is formed when you draw a point and connect it from end to end forming a complete revolution. One revolution equals 360°. Therefore, each piece of pie for each type of book is a fraction of one revolution. The fraction can be determined by dividing the number for a specific type of book to the total number of books. Specifically, the fraction for the Self Help slice would be 90/375 which is equal to 0.24 or 24%. Then, 24% of 360 is 86.4. Therefore, the central angle formed by the Self Help slice is 86.4°.
Answer 2
The central angle measure for the 'Self Help' slice in the circle graph is 86.4 degrees.
To find the central angle of the 'Self Help' slice in a circle graph (pie chart), we first need to calculate the total number of books sold, which is provided as 375.
We then take the number of 'Self Help' books which is 90, and determine what fraction of the total this represents. The fraction for 'Self Help' books is 90/375. A full circle has an angle of 360 degrees, so we multiply the fraction by 360 to find the central angle for that section of the pie chart.
= (90/375) * 360 = 0.24 * 360 = 86.4 degrees
Thus, the central angle measure for the 'Self Help' slice in the graph is 86.4 degrees.
Related Questions
126 employees is 3% of what number of employees
Answers
First, define what it is that is being asked.
"of" in mathematics usually means that the numbers or values described are being multiplied.
And so the word problem becomes:
126 employees = 3% * x employees
Solve:
126 = .03 * x
x * .03 = 126
(x * .03) / .03 = 126 / .03
x = 4200 employees
Thus your answer is 4200 employees.
"of" in mathematics usually means that the numbers or values described are being multiplied.
And so the word problem becomes:
126 employees = 3% * x employees
Solve:
126 = .03 * x
x * .03 = 126
(x * .03) / .03 = 126 / .03
x = 4200 employees
Thus your answer is 4200 employees.
Your answer is 4,200 employees.
If 126 is equivalent to 3%, then we can say that 126/? = 3/100, which you can then use to find the answer by doing 126 ÷ 3 = 42, and then multiplying 42 by 100 to get 4,200.
I hope this helps!
If 126 is equivalent to 3%, then we can say that 126/? = 3/100, which you can then use to find the answer by doing 126 ÷ 3 = 42, and then multiplying 42 by 100 to get 4,200.
I hope this helps!
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