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Tomtit [17]
2 years ago
11

The lateral area of a cone is 19.2π in2. The radius is 2.4 in. Find the slant height.

Mathematics
1 answer:
Alexus [3.1K]2 years ago
5 0

The slant height of a cone with lateral surface are of 19.2π inches squared and radius of 2.4 inches is 8 inches.

<h3>Lateral surface area of a cone</h3>

The formula for the lateral surface area of a cone is described as follows:

Lateral area = πrl

where

  • r = base radius
  • l = slant height

Therefore,

Lateral area = 19.2π inches²

r = 2.4 inches

Lateral area = π × 2.4 × l

19.2π = 2.4πl

divide both sides by 2.4π

l = 19.2π / 2.4π

l = 8 inches

learn more on cone here: brainly.com/question/27170515

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Pencils come in packages of 10.Erasers come in packages of 12. Phillips wants to purpose the smallest number of pencils and eras
balandron [24]

Answer:

The answer to your question is:

Packages of pencils = 6

Packages of erasers = 5

Step-by-step explanation:

Data

Pencils = 10/package

Erasers = 12 / package

Process

Find the least common factor of 10 and 12

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LCF = 2 x 2 x 3 x 5 = 60

Finally divide 60 by the number of pencils or erasers in each package

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Packages of erasers = 60/12 = 5

                                                 

5 0
3 years ago
Please help i am so confused
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Answer:

{ 5,10,15,20,25,30,35}

Step-by-step explanation:

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The formula for determining the circumference of a circle is expressed as

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Where D represents the diameter of the circle.

The circumference of the inner circle is 44 ft. It means that

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The distance between the inner circle and the outer circle is 3 ft. This means that the diameter of the outer circle would be

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Circumference of the outer circle is

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The number of feet by which the circumference of outer circle is greater than the circumference of the inner circle is

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