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katen-ka-za [31]
2 years ago
12

6 is the radius 15 is slant height how do i find surface area of a right cone?

Mathematics
1 answer:
Sphinxa [80]2 years ago
7 0

Answer:

126π ≈ 395.8

Step-by-step explanation:

Including the bottom of the cone, the surface area is:

A = πr² + πrs

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

A = π (6)² + π (6) (15)

A = 36π + 90π

A = 126π

A ≈ 395.8

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Step-by-step explanation:

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<u><em>From the prices above, it can be seen that Home Depot has a better deal since the price after removing discount is lower than that of Lowe's.</em></u>

<u><em></em></u>

<u><em>Amount she will save will be $140 - $126.65 = $13.35</em></u>

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