Figure Counting concepts and Tricks| Permutation and Combination examples #logicxonomy #shorts

Figure Counting concepts and Tricks| Permutation and Combination examples

There are 32 points on a plane of which 9 are collinear. Now solve the following problems:
(a) How many straight lines can be drawn?
(b) How many triangles can be formed?
(c) How many Quadrilaterals can be formed?
(d) How many Circles can be drawn?

1. How many triangles can be formed by joining red points, which are placed on the sides of the triangle?
2. If a Polygon has 54 diagonals then find the number of its sides?
3. How many rectangles can be formed in a Chessboard?

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