Question

Q. find the area of a rectangle whose dimensions have been given below:

1. l=85cm,b=72cm
2.l=70.3cm,b=61.5 cm





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Answer 1

Step-by-step explanation:

1) area of a rectangle = l × b

= ( 85 × 72 )cm²

= 6120 cm²

2) area of a rectangle = l × b

= ( 70.3 × 61.5 ) cm²

= 4323.45 cm ²

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Answer 2

• 1.L = 85cm, B = 72cm

Solution :

Area of a rectangle = Length×Breadthl.

$\: \: \: \: \: \: \: \: \: \: \: \: : = (85 \times 72)cm$

$\: \: \: \: \: \: \: \: \: \: \: \: : \: = 6120cm^2$

• 2.L = 70.3cm, B = 61.5cm

Solution :

Area of a rectangle = Length×Breadth

$\: \: \: \: \: \: \: \: \: \: \: \: \: : = (70.3 \times 61.5)cm$

$\: \: \: \: \: \: \: \: \: \: \: \: \: : = 4323.45cm^2$

Related Formulas :

• Perimeter of rectangle = 2(length+breadth)

• Area of square = L × L → L²

• Perimeter of square = 4L

• Area of circle = πr²

• Perimeter of circle = 2πr