A rectangle is having its sides as $10.5 c m$ and $4.5 c m$ .
Its: Perimeter = _
Area = _

Perimeter=30 cm

Area=47.25 cm²

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46.8 cm²

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Solution

Step 1:Use perimeter of rectangle formula
Perimeter of rectangle = $2 (L e n g t h + B r e a d t h)$
$= 2 (10.5 + 4.5) = 2 x 15 = 30 c m$
Step 2:use area of rectangle formula
Area = $L e n g t h x B r e a d t h$
$= 10.5 x 4.5 = 47.25 c m 2$

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