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2. The diagonal of a rectangular board is 1 m and its length is 96 cm. Find the area of the board. |
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Answer» :diagonal=1m=100cm in ONE TRIANGLE d²=l² + b² 100²= 96² + b² 10000= 9216 + b² b²= 10000-9216 b²=784 B=√784 b= 28CM are of board = l×b =28×96 = 2688cm |
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