Question

find the area of rectangle whose sides are 9 cm by 20 millimetre​

Answer 1

Answer:

1800mm

Step-by-step explanation:

Length 9cm

Breadth 20mm

Since the units are not same we have to convert it into cm ( greater unit)

90 mm × 20 mm = 1800mm

Answer 2

Answer:

$area \: of \: rectangle = length \times breadh$

Length of rectangle = 9mm

Breadth of rectangle =20 mm

Area of Rectangle = Length × Breadth

= 9×20

= 180 mm square

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