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Here s = (a+ b+ c )/2 = (6 + 8 +10) /2 = 24/2 = 12 cm If a, b & c are medians of any triangle , then area of the triangle = 4/3 √(s(s - a)(s - b)(s - c)) = 4/3 √(12(12 - 6)(12 - 8)(12 - 10)) = 4/3 √(12 × 6 × 4 × 2) = (4/3) × 24 = 32 cm²
What will come in place of the question mark (?) in the following series?
3.5, 9.5, 27.5, 81.5, 243.5, 729.5, ?
244, 179, 129, 92, 66, ?
23 40 67 104 ? 208
...110, 156, 212, ?, 354, 440
230192 172 ? 122 100
...226 231 466 ? 5606 28031
500, 250, 750, 375, 1125, 562.5, ?
119 × 13 + 150/100 × 850 =?
17, 9, ?, 13.5, 25, 65
17 18 14 ? 7 32
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