lai16kk77
31.05.2020 •
Mathematics
What is the approximate curcumfrance of the circle shown below?
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Ответ:
C.
Step-by-step explanation:
Circumference=PI*diameter
Circumference=3.14*19.5
Circumference=61.23 rounds to 61.2 so the answer is C
Ответ:
Hint: To find the mean marks from the given data, we have to convert it into frequency distribution. We can write below 10 as 0-10, below 20 as 10-20 and so on. The corresponding frequencies ( fi) can be found by subtracting the previous number of students from the current number of students.