IGCSE /Grade 9
Maths MCQ Based On Polygons interior angles
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IGCSE Grade 9 Maths Polygons interior angles
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Angle sum property of triangle.
Find the number of triangles that make the shape.
The sum of all interior angles in a regular polygon = \\((n-2)180^\\circ\\)
The sum of all the angles of a triangle is 180\\(^\\circ\\)
First, find the number of sides in the polygon.
Use the formula to find the sum of interior angles using side and as all the sides and angles are equal of a regular polygon then calculate each angle
The sum of interior angles of a polygon = \\((n-2)180^\\circ\\)
The sum of all the interior angles of a polygon is : \\((n-2)180^\\circ\\)
The sum of all the interior angles of a polygon = \\((n-2)180^\\circ\\)
An interior angle = \\(\\frac{(n-2)180^\\circ}{n}\\)
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