Exercise 13.1
1. Complete the given table
| Diagram | Shape | Area | Perimeter |
|---|---|---|---|
 | Rectangle | L*b = lb | 2 |
 | Square | 4a |
2. The measurements of some squares are given in the table below. However, they are incomplete. Find the missing information.
Answer
| Side of a square | Area | Perimeter |
|---|---|---|
| 15 cm | 225 cm² | |
| 88 cm |
3. The measurements of some rectangles are given in the table below. However, they are incomplete. Find the missing information.
Answer
| Length | Breadth | Area | Perimeter |
|---|---|---|---|
| 20 cm | 14 cm | ||
| 12 cm | 60 cm | ||
| 15 cm | 150 cm² |