Question

Nonagon no. Of triangles and polygon

Answer 1

Answer:

here is your ans

Step-by-step explanation:

The nonagon can be constructed with 36 meccano equal bars. The construction includes 9 equilateral triangle.

If the polygon has 'n' sides, then the number of triangle in a polygon is (n – 2). In a triangle there are three sides. In the adjoining figure of a triangle ABC we can observe that the number of triangles contained = 3 – 2 = 1. In a quadrilateral there are four sides.