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Evgen [1.6K]
1 year ago
13

What is the length of EF? (Giving 45 points, please hurry!) ​

Mathematics
2 answers:
prisoha [69]1 year ago
6 0
The length is 5
You already have a 7 and 2 so you’ll subtract them both to get 5
diamong [38]1 year ago
3 0
The answer is 5 since the total is 7 and you already have 2
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Find the surface area of the pyramid.<br> 64in^2 <br> 56in^2 <br> 88in^2<br> 118in^2
ziro4ka [17]

Answer:

To find the surface area of this pyramid, we must find the <u>area</u> of one <u>triangle</u> flap which we then <u>multiply by 4</u> because there are 4 of those equal triangle flaps surrounding the base(square). Once we find the area of those triangles, we then find the <u>base(square)'s area</u>. Next, we add all those areas together to get the result of the surface area.

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Plug in what you know, given that the base of one triangle is 4, and the height is 6.

A = 4(6) x 1/2

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A = 12, the area of <em>one triangle is 12 inches</em>.

Now, we find the area of all the triangles by multiplying the area of one triangle by 4.

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4 triangles in total, so:

12(4)

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(vol of square formula)
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or

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Plug in what you know, given that one side of the square is 4 inches (as well as the length and width).

(I'll be using the formula s^{2})

A = s^{2}

A = 4^2 ← (The symbol ' ^ ' means raised to the power of.)

A = 16, the <u>area</u> of the <u>base(square)</u> is <u>16 inches</u>.

Now we add both areas together:-

48 + 16

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5 0
2 years ago
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Ugo [173]

Answer:

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Explanation:

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3 0
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