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Stels [109]
3 years ago
6

5. Aly ordered a pie that had a diameter of 8 in. What is the approximate area of the pie? (Use 3.14 for t)

Mathematics
1 answer:
klasskru [66]3 years ago
7 0
50.24 square inches. If the diameter is 8in, then the radius must be half the diameter, or 4. You can just plug 4 into the formula for the area of a circle [A=pi*radius^2]. When you multiply 3.14 by 4^2, you get 50.24 square inches.
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Arada [10]

Answer:

65.56°

Step-by-step explanation:

We know that if we take dot product of two vectors then it is equal to the product of magnitudes of the vectors and cosine of the angle between them

That is let p and q be any two vectors and A be the angle between them

So, p·q=|p|*|q|*cosA

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let A be angle before u and v

therefore, cosA=\frac{u.v}{|u||v|}=\frac{(-8)*(-8)+(-3)*(8)}{8.544*11.3137} =\frac{40}{96.664}

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5 0
3 years ago
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Step-by-step explanation:

<h2>Hope it helps! </h2>
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7 0
3 years ago
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