3 years ago

Circumference (rounding)

Mathematics

2 answers:

GarryVolchara [31]3 years ago

8 0

Answer:

40.8 cm²

Step-by-step explanation:

Use the equation C=2πr to solve

Find the values needed. C=2π·6.5 (radius is half of diameter)
Solve your equation. 40.84=2π·6.5
Round. 40.84≈40.8

KonstantinChe [14]3 years ago

3 0

Answer:

Step-by-step explanation:

13 cm × 3.14 ( pi )

will give you

40.82 = 41

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