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If D, E and F are midpoint of AB, AC and BC, findperimeter of ∆DEF. |
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Answer»
D = 2.5 cm E = 2 cm F = 3 cm STEP by step explanation AB =5 cm BC = 6 cm AC =4 cm D = ½ AB D = ½ × 5 D = 2.5 cm E = ½ AC E = ½ × 4 E = 2 cm F = ½ × BC F = ½ × 6 F = 3 cm perimeter of TRIANGLE DEF = a + b + C = 2.5 + 2 +3 = 7.5 cm |
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