MHT CET 2023 Mathematics question
Not in JEE syllabus
The base of an equilateral triangle is represented by the equation 2x - y - 1 = 0 and its vertex is (1, 2), then the length (in units) of the side of the triangle is
Answer: (B)
Solution
The height of the triangle is the perpendicular distance from the vertex to the base: . For an equilateral triangle of side , , so
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