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galina1969 [7]
3 years ago
10

AXY Zand AABCare similar triangles. Given the dimensions shown in the diagram, what is the

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
6 0

Answer:

3.528

Step-by-step explanation:

First, you need to determine the scale factor. Divide one side in the larger triangle by the corresponding side in the smaller triangle. For example, 8/2. This would give you a scale factor of 2. Then you can reverse the process with the dimensions you need to get the area. The height of the larger triangle is 3.36, so to find the height of the smaller one, you divide it by 2, or the scale factor, to get the height of the smaller triangle which is 1.68. Next, you can solve for area of triangle using a=bh/2, so 4.2*1.68/2=a = 3.528.

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slega [8]

Given:

The expression is:

\dfrac{1-\cos 2x}{1+\cos 2x}

To find:

The integration of the given expression.

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We need to find the integration of \dfrac{1-\cos 2x}{1+\cos 2x}.

Let us consider,

I=\int \dfrac{1-\cos 2x}{1+\cos 2x}dx

I=\int \dfrac{2\sin^2x}{2\cos^2x}dx         [\because 1+\cos 2x=2\cos^2x,1-\cos 2x=2\sin^2x]

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I=\int (\sec^2x-1)dx             [\because 1+\tan^2 \theta =\sec^2 \theta]

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8 0
3 years ago
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sesenic [268]

Answer:

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Afina-wow [57]

Answer:

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