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Earn +20 ptsQ: How big is 21cm?
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Which is bigger 21cm or 205mm?
205mm = 20.5cm 21cm > 20.5cm
What is one third of 21cm?
1/3 of 21cm = 1/3*21 = 7 cm
Which is the biggest out of 0.2m 21cm and 2200mm?
2200mm
What is the area of a circle with the radius 21cm?
A = 1385cm2
What is the area of a circle that has a radius of 21cm?
A = 1,385.4 cm2
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