Geometry Probability

Questions on probability may also involve geometry and geometrical shapes.

Example:

ABCD is a square. M is the midpoint of BC and N is the midpoint of CD. A point is selected at random in the square. Calculate the probability that it lies in the triangle MCN.

Solution:

Let 2x be the length of the square.

Area of square = 2x × 2x = 4x²

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