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15. The length and diagonal of a rectangle are 40 cm and 41cm. Find its breadthO 7 cmO 9 cmO 11 cmO 13 cm |
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Answer» Length and Diagonal of Rectangle is 40 cm and 41 cm respectively .To Find :Breadth of Rectangle .Solution :In Δ ADC :Using Pythagoras Theorem :So , The Breadth of Rectangle is 9 cm ..._______________________Area of Rectangle = length × breadthPerimeter of Rectangle = 2 (L+B)Diagonal of Rectangle = √(l)² + (b)²Area of Sqaure = SIDE × SidePerimeter of Square = 4 × SideDiagonal of Square = √2a_______________________ |
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