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Convert 1 square metre in square centimetres
a) 1 m2=10000 cm2
b) 1 m2=1000 cm2
c) 1 m2=100 cm2
d) 1 m2=10 cm2

Answer
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Hint: Use 1m = 100cm. Substitute this value in place for every m in the LHS. Hence find the value of the quantity. This will give the result of the above conversion.

Complete step-by-step answer:
We know that 1m = 100cm.
Now 1 m2=(1 m)(1 m)=(100 cm)(100 cm)=10000 cm2
Hence 1 square metre = 10,000 square centimetres.
Hence option (a) is correct.


Note:  
The area of a square with side 1m =(1 m)2=1 m2
Also the area of a square with side 100cm =(100 cm)2=10000 cm2
Since 1m = 100cm, the squares have equal area.
Hence, we have
1 square metre = 10,000 square centimetres.
Hence option (a) is correct.