1.2 metres or about 4 feet
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1cm:15m If 1 cm = 20 m then 6 cm = 120 m real length
1m = 100cm, therefore 12m = 1200cm. 12m is > 120 cm
1.2 m = 120 cm Let the shorter piece be x, then the longer piece is 2x + 15. So we have: x + 2x + 15 = 120 3x + 15 = 120 subtract 15 to both sides 3x = 105 divide by 3 to both sides x = 35 Thus the shorter piece is 35 cm.
The length could be 3 cm (width = 1 cm), with a perimeter of 8 cm, which is not more than 72 cm. Or it could be 6 cm (w = 2 cm, perimeter = 16 cm).
First convert the metric so that both measurements are in the same scale: 2 m= 200 cm or 120 cm= 1.2 m. Then multiply to find the area like you would normally: 2 m*1.2 m=2.4 m^2 or 120 cm*200 cm= 240 cm^2