The sides of a triangle are 5.2 cm, 6.3 cm and 9.4 cm, each correct to the nearest millimetre. Calculate the lower bound of the perimeter of the triangle

Wribreeminsl 2021-01-13 Answered
The sides of a triangle are 5.2 cm, 6.3 cm and 9.4 cm, each correct to the nearest millimetre. Calculate the lower bound of the perimeter of the triangle
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Aubree Mcintyre
Answered 2021-01-14 Author has 73 answers
Because each side length is correct to the nearest millimetre, at most they could be one millimetre less than the given numbers. That is, 5.1 cm, 6.2 cm and 9.3 cm. So the lower bound of the perimeter is
5.1+6.2+9.3=20.6 cm
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