1.21 sq metres
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It is: 70cm+1m 40cm = 2m 10cm
To work out the Ratio of something, you have to compare numbers or quantities in the same units. For e.g.1m to 10cm, for this you first have to convert them so they become the same units, which will be100cm to 10cm. Which is written as:100:10 (100cm:10cm or 1m:10cm)
10cm = 1decimeter conversions... 1m=0.1dm 1m=0.01cm 1dm=0.1cm
50
To calculate the number of one centimeter squares in a larger square that is 10cm long and 10cm wide, you simply multiply the length by the width. In this case, 10cm x 10cm equals 100 square centimeters. Each square centimeter contains one one centimeter square, so there are 100 one centimeter squares in a larger square that is 10cm long and 10cm wide.