यदि Delta ABC कि भुजाओ AB और AC पर क्...

यदि `Delta ABC` कि भुजाओ AB और AC पर क्रमशा D और बिंदु इस प्रकार है कि AB=12 सेमी, AD=8 सेमी , AE=12 सेमी, AC=18 सेमी है तो दिखाइए कि DE||BC

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The correct Answer is:

`DE ||BC`

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