Question
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| ? | 4 feet | ? | 20 sq.feet |
✓
Answer
$b=4 \text { feet }$
$\text { Area }=20 \text { sq.feet }$
$\text { Area }=1 \times b \text { sq.feet }$
$20=1 \times 4$
$I=\frac{20}{4} \text { feet }$
$I=5 \text { feet }$
$\text { Perimeter }=2(l+b) \text { units }$
$p=2(5+4) \text { feet }$
$=2 \times 9$
$p=18 \text { feet }$
Completing the unknown values in the table.
$\text { Area }=20 \text { sq.feet }$
$\text { Area }=1 \times b \text { sq.feet }$
$20=1 \times 4$
$I=\frac{20}{4} \text { feet }$
$I=5 \text { feet }$
$\text { Perimeter }=2(l+b) \text { units }$
$p=2(5+4) \text { feet }$
$=2 \times 9$
$p=18 \text { feet }$
Completing the unknown values in the table.
| Length | Breadth | Perimeter | Area |
| 5 feet | 4 feet | 18 feet | 20 sq.feet |
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