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Dafna1 [17]
3 years ago
6

What is the approximate base area of the resulting figure? Area of a circle: A = πr2

Mathematics
2 answers:
Annette [7]3 years ago
6 0
I think if you rotated that shape, the radius would be 5 in.  
Using A=pi*r^2:
A=pi*5^2
A=78.5 sqr in.

Or 79 sqr in, if you round to the nearest whole number.
11Alexandr11 [23.1K]3 years ago
3 0

Answer:   78.5\ cm^2

Step-by-step explanation:

From the given we can see that there is a  rectangle is rotated about a line bisecting its length in segment of 5 cm in each.

Since the base will be a circle, then the area of the base will be :-

\text{Area of base}=\pi r^2\\\\\\\Rightarrow\text{Area of base}=3.14\times(5)^2\\\\\\\Rightarrow\text{Area of base}=78.5\ cm^2

Hence, the base area of the resulting figure = 78.5\ cm^2

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Answer:

x = -5/21

Step-by-step explanation:

Step 1: Write equation

2(12x - 1) = (21x - 49)/7

Step 2: Solve for <em>x</em>

  1. Multiply both sides by 7: 14(12x - 1) = 21x - 49
  2. Distribute 14: 168x - 14 = 21x - 49
  3. Subtract 21x on both sides: 147x - 14 = -49
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2 years ago
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vampirchik [111]

Answer:

see the explanation

Step-by-step explanation:

we know that

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1 gross means ---> That you are adding 10, 12 times or multiplying 10 by 12

which gives you

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2 years ago
The net of a square pyramid is shown in the diagram.
LenaWriter [7]

Answer:

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