what is formula to find out interior angle in polygon?, 180 x 5n, (n-2) x 180, (n+2) x 180, 360 X 5n, 360 _ 5n, 90 x n2, which are regular polygon? (three answers), square, triangle, pentagon, circle, hexatone, octagon, choice the correct sentences., hexatone is a foursquare., trapezium is a quadrilaterals , sum of interior angles in triangle is 360º , an angle less than 90º is an acute angle, Isosceles triangles have 2 equal sides and 2 equal angles, The measuring unit of an angle is circle.

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