3 years ago

How do I solve this?

Mathematics

1 answer:

SashulF [63]3 years ago

7 0

Answer: A symbol

Step-by-step explanation: Nothing in that picture gives a value for x

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The total surface area of a cone whose radius is 2 r and slant height 2l is

vampirchik [111]

Answer:

$A=4\pi r(l+r)$

Step-by-step explanation:

The total surface area of a cone is given by :

$A=\pi rl+\pi r^2\\\\=\pi r(l+r)$

Put r = 2r and l = 2l in the above formula

$A=\pi \times 2r(2l+2r)\\\\A=2\pi r(2l+2r)\\\\=2\pi r \times 2(l+r)\\\\=4\pi r(l+r)$

Hence, the total surface area of the cone is $4\pi r(l+r)$ .

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2 years ago

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Step-by-step explanation:

Let's solve for d.

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Step 1: Divide both sides by (2x)/3.

2/3dx / 2x/3=10/9 / 2x/3

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<span>B.
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valentinak56 [21]

Check the picture below.

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