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kiruha [24]
2 years ago
5

The perimeter of the square is 64 inches. What is the perimeter of the shaded region?

Mathematics
1 answer:
ioda2 years ago
5 0

Answer:

54.94 inches

Step-by-step explanation:

First you need to find the radius of the semi-circles within the square.

You find this by dividing the perimeter by 8

64/8 = 8

now use the formula πr^2 to find the area of the semi circle

π8^2 = 201.06

Now find the total area of the square and subtract it from the area of the two semi circles to find the shaded region

16*16 = 256

256-201.06 = 54.94

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sveta [45]

The x-value corresponds to a y-value of 1 is π

Step-by-step explanation:

The given is:

  • y = - cos x
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We need to find x when y is 1

∵ y = - cos x

∵ y = 1

∴ 1 = - cos x

- Multiply both sides by -1

∴ -1 = cos x

- Switch the two sides

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- Use the inverse of cos to find x

∴ x = cos^{-1}(-1)

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∴ x = π

The x-value corresponds to a y-value of 1 is π

Look to the attached graph for more understand

<em>The graph of y = 1 intersects the graph of y = - cos x at x = π from 0 to 2π</em>

Learn more:

You can learn more about the trigonometry equations in brainly.com/question/1599828

#LearnwithBrainly

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Step-by-step explanation:

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