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The tourism industry can bring valuable income to the country. Write a letter to the Editor of a popular daily on how the government and the public can boost the development of this industry. You are Rama/Ram, 4 Rani Road, Ranchi.
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Let the points are A(−4,−7),B(−1,2),C(8,5),D(5,−4)
AB=(−1−(−4))2+(2−(−7))2
=32+92
=90
=310
BC=(8−(−1))2+(5−2)2
=92+32
=90
=310
CD=(5−8)2+(−4−(5))2
=32+92
=90
=310
DA=(−4−(5))2+(−7−(−4))
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