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The more sides you add to a figure, the more obtuse angles it has, assuming all of the polygons are perfect (all angle measures =, all side lengths =). An equilateral triangle has 0 (all acute), a square has 0 (all right), a pentagon has 5 (all obtuse), a hexagon has 6, a heptagon has 7, and so on. So really, it's a polygon with an infinite number of sides, which would look like a circle.
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What kind of angles are found in a polygon with 9 angles?
Obtuse angles.
What shape has the smallest number of sides a regular polygon with obtuse angles can have?
An obtuse triangle has 3 sides.
Is there a maximum number of obtuse exterior angles a polygon can have?
Yes, there is a maximum number. Recall that the sum of the exterior angles is 360 degrees regardless of what kind of polygon it is. Since an obtuse angle is and angle that is greater than 90 degrees, four of them would be greater than 360 degrees so we could not have that in a polygon. Therefore, the maximum number of obtuse angles is 3.
What polygon has interior angles that are all obtuse?
octagon, trapezoid, pentagon...* * * * *Not true.A trapezium (or trapeziod) must have at least one acute angle.Any regular polygon with 5 or more sides has all obtuse angles. However, an irregular polygon can always have one or more non-obtuse angles (acute, right or even reflex).
What type of angle does a nonagon have?
The internal angles of a regular nonagon (a polygon having 9 sides) are obtuse angles of 140o.
