There are: 63-2 = 61 triangles
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Yes, a triangle is a polygon.A polygon is any closed figure made up of 3 or more line segments. The triangle qualifies, and it is the "most simple" polygon as it has the least number of sides.A triangle is most certainly not a ploygon. However, it is a polygon.
20 isosceles triangles with each base being a side of the 20-gon, and the opposite vertices at the center of the polygon.
Assuming ALL 22 triangles are congruent, this would be a 22-gon, also known as an icositedigon
The shape that has 3 squares and 2 triangles is a pentagon. A pentagon is a five-sided polygon with five angles. In this case, the pentagon is made up of 3 squares, each contributing 4 sides, and 2 triangles, each contributing 3 sides. Therefore, the total number of sides in this pentagon would be 3 squares (12 sides) + 2 triangles (6 sides) = 18 sides.
Yes because there are 540 degrees in a pentagon and 180 degrees in a triangle so 540/180 = 3 triangles.