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Area = 1/2*14*15 = 105 square cm
14
14 centimeters = 140 millimeters.
Because:Area=width*heightPerimeter=2(width+height)Try it out:If: width=5cm andheight=10cmThen:The perimeter=2(5+10)=2(15)=30cmAnd the area=5*10=50cm^2If: width=14cm andheight=1cmThen:The perimeter=2(1+14)=2(15)=30cmAnd the area=1*14=14cm^2
There are 1.4 cm in 14 mm because you would find that there are 10 mm in 1 cm so you divide 14 divided by 10 and get 1.4.