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scZoUnD [109]
3 years ago
11

Didn’t he lateral area of the cone in terms of pi.

Mathematics
2 answers:
sattari [20]3 years ago
7 0

Answer:

286\pi  sq. in.

Step-by-step explanation:

The lateral area of cone is given by the formula  \pi r l

Where,

r is the radius, and

l is the slant height

  • In this problem, slant height (l) is given to be 26
  • Diameter is given as 22. We know radius is half of diameter, so radius (r) is 11

<em>Plugging all these values into the formula, we get:</em>

Lateral Area = \pi r l=\pi (11)(26)=286\pi

Natasha2012 [34]3 years ago
6 0

Answer: third option

Step-by-step explanation:

To solve the problem you must apply the following formula for calculate the lateral area of a cone:

LA=r*s*\pi

Where r is the radius and s is the slant height.

As you can see in the figure:

r=22in/2=11in\\s=26in

Substitute values. Therefore, the result is:

 LA=11in*26in*\pi=286\piin²

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