Nonagon
Calculate the area and perimeter of a regular nonagon if its radius of the inscribed circle is r = 10cm.
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Math student
I need to draw a nonagon for my daughter and she has to have each at 4cm
5 years ago 1 Like
Matematik
try to start with angle 360/9 = 40°... Draw nine isosceles triangles with base a=4 cm and opposite angle 40°.
Or if you may calculate diameter of described circle - draw a circle and divide it into nine equal segments. (divide by 40° angle)
Or if you may calculate diameter of described circle - draw a circle and divide it into nine equal segments. (divide by 40° angle)
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algebraplanimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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