two adjacent sides of a parallogramvare 5 cm &3.5cm snd its diagnol is 0.5cm find its area by using herons formula.
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√s(s-a)(s-b)(s-c)
√9(9-5)(9-3.5)(9-0.5)
√9×4×5.5×8.5
√3×3×2×2×2×7
3×2√14
6√14
√9(9-5)(9-3.5)(9-0.5)
√9×4×5.5×8.5
√3×3×2×2×2×7
3×2√14
6√14
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