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pashok25 [27]
3 years ago
15

How many perpendicular lines must be drawn in a triangle to prove the Law of Sines?..is it 2, 1,0, or 3..Explain

Mathematics
1 answer:
Butoxors [25]3 years ago
7 0

Answer:

We show 1 to distinguish a vertex, but with laws of supplementary the answer is 2.

Step-by-step explanation:

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WILL GIVE BRAINLIEST!!!!
Svetradugi [14.3K]

Answer: 8 feet, D

Step-by-step explanation:

To solve this, use the Pythagorean Theorem. It states:

a^{2} +b^{2} =c^{2}

where A and B are the sides of a triangle and C is the triangle's hypotenuse.

The 17 foot ladder in this situation is your hypotenuse, and you have one side of the triangle: 15.

15^2 + b^2 = 17^2

15 squared = 225

17 squared = 289

solving for b squared, we get b^2 = 64

taking the square root of 64, you get 8 feet, the distance between the house and the base of the ladder.

7 0
3 years ago
Verify that the divergence theorem is true for the vector field f on the region
vladimir2022 [97]
By the divergence theorem,

\displaystyle\iint_{\partial\mathcal E}\mathbf f(x,y,z)\cdot\mathrm d\mathbf S=\iiint_{\mathcal E}\nabla\cdot\mathbf f(x,y,z)\,\mathrm dx\,\mathrm dy\,\mathrm dz

where \partial\mathcal E is the boundary of \mathcal E. We have

\nabla\cdot\mathbf f(x,y,z)=\dfrac{\partial(4x)}{\partial x}+\dfrac{\partial(xy)}{\partial y}+\dfrac{\partial(4xz)}{\partial z}=4+x+4x=5x+4

so the flux is

\displaystyle\int_{z=0}^{z=2}\int_{y=0}^{y=2}\int_{x=0}^{x=2}(5x+4)\,\mathrm dx\,\mathrm dy\,\mathrm dz=72
5 0
3 years ago
The map of a biking trail is drawn on a coordinate grid.
katrin [286]

The distance from (-2,1) to (6,1) is 8 units

The distance from (6,1) to (6,-3) is 4 units

The distance from (6,-3) to (9,-3) is 3 units

Now add 'em up: 8 + 4 + 3 = 15

The length of the biking trail is 15 units long!

Hope that helps!

6 0
3 years ago
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If the yellow image was reflected across the y-axis, what would the ordered pair be for point B?
rosijanka [135]

Answer:

I believe (-7,3) is the answer

Step-by-step explanation:

4 0
3 years ago
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Select all the conditions for which it is possible to construct a triangle.
Margaret [11]

The conditions for which it is possible to construct a triangle include:

  • A triangle with angles measures 60 ∘ , 80 ∘ , and 80 ∘
  • A triangle with side lengths of 4 cm, 5 cm, and 6 cm
  • A triangle with side lengths 4 cm and 5 cm and a 50 ∘ angle.

<h3>What is a Triangle?</h3>

This is defined as a three-sided polygon which has three edges and three vertices and a total internal angles of 180 degrees.

The triangle with side lengths 4 cm, 5 cm, and 15 cm can't be constructed due to the length of sides not being equal according to pythagoras theorem.

Read more about Triangle here brainly.com/question/17335144

#SPJ1

8 0
2 years ago
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