The sides of a triangle are 5.2 cm, 6.3 cm and 9.4 cm, each correct to the nearest millimetre.
1 answer:
Answer:
20.75
Step-by-step explanation:
5.2 lower bound = 5.15
6.3 lower bound = 6.25
9.4 lower bound = 9.35
5.15 + 6.25 + 9.35 = 20.75
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