selenamr
20.03.2020 •
Mathematics
3. A regular polygon has an exterior angle of 7.5. What is the sum of all the interior angles?
4. Find the perimeter of a regular heptagon with consecutive vertices at A(-1,-2) and B(4, 10).
Perimeter of the heptagon is
___units..
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Ответ:
A. 4/5
P(A)’ = 1 - P(A)
1 - 1/5 = 4/5
Step-by-step explanation: