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Elis [28]
2 years ago
5

Help Me On This!!

\\ " alt=" \\ \\ \\ " align="absmiddle" class="latex-formula">

​

Mathematics
2 answers:
salantis [7]2 years ago
8 0

Answer:

First Find the Radius of Cake by dividing 40/2

Now Find Area of the cake of Bottom

And Then Use the Formula to calculate volume of Circle

Cross Section Area=π Square

Bole of Circle 4/3π× radius cube

Natasha_Volkova [10]2 years ago
5 0

Answer:

<u>24,727.5 cm³</u>

Step-by-step explanation:

<u>Information to keep in mind</u>

  • r₁ = 20 cm (bottom layer)
  • r₂ = 20/2 = 10 cm (middle layer)
  • r₃ = 10/2 = 5 cm (top layer)
  • h (of each layer) = 15 cm

<u>Formula of a cylinder</u>

  • V = πr²h

<u />

<u>Volume (total)</u>

  • V = πr₁²h + πr₂²h + πr₃²h
  • V = πh (r₁² + r₂² + r₃²)
  • V = 3.14 x 15 ([20]² + [10]² + [5]²)
  • V = 47.1 (400 + 100 + 25)
  • V = 47.1 (525)
  • V = <u>24,727.5 cm³</u>
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