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प्रश्न
From one vertex of an equilateral triangle with side 40 cm, an equilateral triangle with 6 cm side is removed. What is the perimeter of the remaining portion?
उत्तर
If an equilateral triangle of side 6 cm is removed the perimeter
= (40 + 34 + 6 +34) cm
= 114 cm
Perimeter of the remaining portion = 114 cm
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