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प्रश्न
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| 5 cm | 8 cm | ? | ? |
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उत्तर
Area of the rectangle = (length × breadth) sq.unit
Perimeter of a rectangle = 2(l + b) units
l = 5 cm
b = 8 cm
∴ P = 2(l + b) cm
= 2(5 + 8) cm
= 2 × 13 cm
P = 26 cm
Area = (l × b) cm2
= (5 × 8) cm2
A = 40 cm2
Completing the unknown values in the table.
| Length | Breadth | Perimeter | Area |
| 5 cm | 8 cm | 26 cm | 40 cm2 |
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