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To convert inches to centimeters, you can use the conversion factor 1 inch = 2.54 cm. So, to convert 20 inches to centimeters, you would multiply 20 inches by 2.54 cm/inch. Similarly, to convert 30 inches to centimeters, you would multiply 30 inches by 2.54 cm/inch. Therefore, 20 inches is equal to 50.8 cm and 30 inches is equal to 76.2 cm.

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4mo ago

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The answer is 11.81 inches (approx.). Inches and centimeters are both units of linear measurement. Inches are used in the imperial system whereas centimeters are used in the metric system. To convert from cm to inches, multiply the cm unit by 0.393701.

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Wiki User

10y ago
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lets find out the product .

product = 3 0 X 40 =1200 in sq.

converting in sq. to cm sq.

1 in sq =6.4516 sq.cm .

1200 in sq.=7741.9 sq.cm

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Wiki User

10y ago
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30 inches is 76.2 cm

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Wiki User

9y ago
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It is the same ratio; 20 by 30 or 2/3

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Wiki User

12y ago
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11.8 inches.

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Wiki User

13y ago
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20 x 30 inches equals 50.8cm x 76.2cm

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Wiki User

10y ago
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30 centimeters is 11.8 inches.

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Wiki User

9y ago
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Q: What is 20 x 30 inches in cm?
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