4.5 cm = 1.77 inches
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= 100 cm ⇒ 45 m = 45 x 100 cm = 4500 cm
1 ft = 30.48 cm, so 45 feet equals 1371.6 cm
145 centimeters
75 cm by 45 cm refers to a rectangular area with a length of 75 centimeters and a width of 45 centimeters. To find the area, you can multiply the two dimensions: 75 cm × 45 cm, which equals 3,375 square centimeters. This measurement is often used to describe the size of objects or spaces in various contexts, such as artwork or furniture.
10mm = 1cm so divide 45 by 10 and you get the answer: 4.5cm