equilateral triangle is an example of regular polygon
A regular polygon
A regular polygon.
A triangle.
A polygon is a shape with multiple sides. For example, a triangle is a polygon with 3 sides.
No, a scalene triangle, for example, is a convex poygon but it is not regular.
It is a regular polygon as for example an equilateral triangle
An isosceles triangle or a rhombus.
a triangle is a polygon
Any polygon can have a right angle. A right angled triangle is an example.
For example, you can divide the polygon into triangles, and calculate the area of each triangle.
A triangle in general is just a polygon. An equilateral triangle is a regular polygon.