Question

find the sum of the interior andle of a convexpolygon with 10 sides​

Answer 1

• So a 10 sided convex polygon (decagon) will have 8 triangles. Since each triangle has an angle sum of 180 degrees 8 triangles will have an angle sum of 8 X 180 = 1440 degrees. So this uses the formula (n-2)(180). Method #2 ) The sum of the exterior angles of any convex polygon is 360 degrees.

Answer 2

Answer:

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Step-by-step explanation:

So a 10 sided convex polygon (decagon) will have 8 triangles. Since each triangle has an angle sum of 180 degrees 8 triangles will have an angle sum of 8 X 180 = 1440 degrees. So this uses the formula (n-2)(180). Method #2 ) The sum of the exterior angles of any convex polygon is 360 degrees.