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08-06-2021
Mathematics

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An equilateral triangle has sides of length 15 cm, correct to the nearest centimetre.
Calculate the upper bound of the perimeter of this triangle.

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08-06-2021

Answer:

15.5 cm

Step-by-step explanation:

Since it's corrected to the nearest centimeter, the place value of the units place is 1.

1/2 = 0.5

Upper bound = 15 + 0.5 = 15.5 cm

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