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14-05-2021
Mathematics

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Determine the exact and approximate circumference of the circle.

Exact: inches?

Approximate: inches?

Determine the exact and approximate circumference of the circle Exact inches Approximate inches class=

Respuesta :

anibestg384 anibestg384

14-05-2021

Answer:

C (circumference) =2×π×r

we've got a 30-60-90 triangle

which means 9=d√3, d=5.19 exact inches

or ≈5.20 inches

d=2r, r=5.20÷2≈2.60 inches

C=2×3.14×2.60≈16.328

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