Asked by Savannah
A right prism whose bases are regular nonagons. Find the measure of the dihedral angle between adjacent lateral faces.
Answers
Answered by
Reiny
That would be same as one of the obtuse interior angles of the nonagon.
Sum of interior angles of nonagon = (9-2)(180)° = 1260°
so each angle = 1260/9 ° = 140°
Sum of interior angles of nonagon = (9-2)(180)° = 1260°
so each angle = 1260/9 ° = 140°
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