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06-04-2024
Mathematics

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The volume of a right cone is 27 units if it’s height is 9 units find it’s circumference in terms of

Respuesta :

06-04-2024

Answer:

10.7 units

Step-by-step explanation:

volume = 1/3 (pi × r² × h)

27 = 1/3 (22/7 × r² × 9)

27×3 = 198/7 r²

81×7/198 = r²

2.86 = r²

square root 2.86 = r

r = 1.7 unit

circumference = 2pi r

= 2×22/7×1.7 = 10.7 units

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