10. ∆ABC is an equilateral triangle in which D, E and F are the points on sides BC, AC and || edu214

10. ∆ABC is an equilateral triangle in which D, E and F are the points on sides BC, AC and AB, respectively, such that AD⊥BC, BE⊥AC and CF⊥AB. Which of the following is ture?
∆ABC ,एक समबाहु त्रिभुज है । जिसमें D,E और F क्रमश: BC ,AC और AB पर ऐसे बिंदु है जिससे कि AD⊥BC , BE⊥AC और CF⊥AB हो ।निम्नलिखित में से कौन सा विकल्प सही है ।
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ram raghuwanshi