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GarryVolchara [31]
2 years ago
5

I need to know the surface area of these

Mathematics
1 answer:
anastassius [24]2 years ago
6 0

9514 1404 393

Answer:

  245 cm²

Step-by-step explanation:

The surface area of a cone is given by ...

  SA = πr(r +s) . . . . where r is the radius, and s is the slant height

Filling in the given values, we have ...

  SA = (3.14)(3 cm)(3 cm +23 cm) = (3.14)(3)(26) cm² ≈ 245 cm²

The surface area of the cone is about 245 cm².

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nirvana33 [79]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
What is the length of ST? Please explain your answer
Aliun [14]
We know that

If a tangent segment and a secant segment are drawn to a circle from an exterior point, then the square of the measure of the tangent segment is equal to the product of the measures of the secant segment and its external secant segment. (Intersecting Secant-Tangent Theorem)

so

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the answer is

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3 years ago
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sergij07 [2.7K]

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Step-by-step explanation:

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2 years ago
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kifflom [539]

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3 0
2 years ago
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