Rectilinear plane figures(part 1)

By studying this lesson you will be able to 

·         identify what a polygon is and
·          identify convex polygons, concave polygons and regular polygons








අවසන් වරට නවීකරණය කරන ලද: බදාදා, 28 සැප්තැම්බර් 2022, 12:35 ප.ව.