450 cm2 is about 69.75 square inches.
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To convert square centimeters to square inches, you can use the conversion factor 1 square inch = 6.4516 square centimeters. Therefore, 450 square centimeters is equal to approximately 69.83 square inches.
17.5 cm is approximately 6.89 inches and 8.5 cm is approximately 3.35 inches.
To convert cm to inches, you can use the conversion factor of 1 cm = 0.3937 inches. First, calculate the area in square centimeters by multiplying 1.6 cm by 0.9 cm. This equals 1.44 square cm. Then convert this area to square inches by multiplying 1.44 cm^2 by 0.3937 inches/cm to get approximately 0.5669 square inches.
Square inches x 6.4516 = square centimeters.
An inch is a unit of length, and a square meter is a unit of area. You cannot compare them. You can ask how many inches are in a meter, or square inches in a square meter. The second answer is the square of the first. There are approximately 2.54 cm in an inch, and a meter is 100 cm, so dividing 100 by 2.54 gives about 39.4 inches in a meter.
150 cm x 90 cm is equivalent to 21,600 square cm. To convert this to square inches, you would divide by 2.54 (since 1 inch is 2.54 cm), resulting in approximately 3,347.83 square inches.