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Artemon [7]
3 years ago
14

Can someone help me find the annulus of the shaded area? much appreciated ​

Mathematics
1 answer:
Dimas [21]3 years ago
7 0

Answer:

34.83

Step-by-step explanation:

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The diagonals of a parallelogram are 24 meters and 40 meters and
Naddika [18.5K]

Answer:

  28 m

Step-by-step explanation:

The longer side can be found using the Law of Cosines. The semi-diagonals are of length 12 and 20 m, and the angle between them facing the long side is 180° -60° = 120°.

  c^2 = a^2 +b^2 -2ab·cos(C)

  c^2 = 12^2 +20^2 -2·12·20·cos(120°) = 144 +400 +240 = 784

  c = √784 = 28

The longer side is 28 meters.

8 0
3 years ago
What is the x-coordinate of the solution to the following system of equations?
Alja [10]

Answer:

-1,2

Step-by-step explanation:

6 0
3 years ago
The width of a rectangular swimming pool is 12 meters less than the length, and the perimeter is 72 meters. Find its dimensions
Elis [28]

Answer:

The dimensions are 24 and 12 meters.

Step-by-step explanation:

W + L + W + L = 72   perimeter

(L-12) + L + (L-12) + L = 72

4L - 24 = 72

4L = 72 + 24 = 96  ====>  L = 96%2F4 = 24.

8 0
4 years ago
Read 2 more answers
What is the length of the line?
elixir [45]
If you count the squares or units I got 12.
4 0
3 years ago
Can i also know the working out for this question? <br>thanks in advance!​
shepuryov [24]
4x-1=18
4x=18+1
4x=19
x=19/4
7 0
3 years ago
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