1.The length and breadth of the rectangles are in the ratio 4 \(:\) 1 and its perimeter is 160 \(cm\). Calculate its length and breadth.
 
a) The length of the rectangle \(=\) \(cm\).
b) The breadth of the rectangle \(=\) \(cm\).
 
2. Find the length of the diagonal of a rectangle whose sides are 7\(cm\) and 24 \(cm\).
 
The length of the diagonal of the rectangle \(=\) \(cm\).