The sides 3

The sides of an equilateral triangle are 9.4 cm, correct to the nearest one decimal place.
Work out the upper bound of the side of this triangle.

Correct result:

a2 =  9.45 cm


a1=9.4 cm a2=a1+0.05=9.4+0.05=18920=18920 cm=9.45 cm

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