mazolethrin2291
12.05.2021 •
Mathematics
Exercise 11.40
How many des does the polygon have
besenterasples
ratesamber of the repolyposing the following teranges
Angle properties of the circle
he angle at the centre
1 calculate the number of sides of a regular polygons whose interior angle is three times the size of its exterior angle
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Ответ:
x = -1 ± √1^2 - 4()/2(4)
x = -1 ± √1+16/8
x = -1 ± √17/8
x = -1 ± 4.1/8
x = -1+4.1/8 = 3.1/8 = 0.4
x = -1-4.1/8 = -5.1/8 = -0.6
x = {-0.6, 0.4}
hope it : )
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