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Write about the reform brought by thakar Bapa |
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Answer» tion:Let the POINTS areA(−4,−7),B(−1,2),C(8,5),D(5,−4)AB=(−1−(−4))2+(2−(−7))2 = 23 2 = 90 = 310BC=(8−(−1))2+(5−2)2 = 29 2 = 90 = 310CD=(5−8)2+(−4−(5))2 = 23 2 = 90 = 310DA=(−4−(5))2+(−7−(−4))2 = 29 2 = 90 = 310now , AC=(8−(−4))2+(5−(−7))2 = (12)2+(12)2 = 144 = 12 2BD=(5−(−1))2+(−4−2)2 =26 2 =72 =6 2Since ,AB=CD=BC=DA,AC=BD so, it is rhombus.Area of rhombus=21×12 2×62=72 |
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