What is a regular polygon? State the name of a regular polygon of 4 sides

What is a regular polygon? State the name of a regular polygon of 3 sides

What is a regular polygon? State the name of a regular polygon of 6 sides

What is a regular polygen ? State the name of a reular polygon of 7

What is a regular polygen ? State the name of a reular polygon of 8

What is a regular polygon ? State the name of regular polygon of (i) 3 sides , (ii) 4 sides , (iii) 6 sides

the name of a regular polygon of 3 sides is :

Which is not correct ? (i) Equilateral Delta is a regular polygon (ii) Square is a regular polygon (iii) underline("Rhombus is a regular polygon")

A polygon of n sides, inscribed in a circle, is such that its sides subtend angle 2 alpha, 4 alpha,…,2n alpha at the centre of the circles. Prove that its area A_(1), is to the area A_(2) of the regular polygon of n sides inscribed in the same circle, as sin n alpha : n sin alpha.