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Olegator [25]
3 years ago
8

Segment BD is an altitude of triangle ABC. Find the area of the triangle.

Mathematics
2 answers:
inn [45]3 years ago
8 0
The answer is 7.5
Just count the squares and I did it so it is right.

hodyreva [135]3 years ago
3 0
Area = 1/2 * base  * height
the height is BDand the base is AC 
so its  area = 1/2 * BD * AC
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6 0
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suter [353]

If you know that \sin\dfrac\pi3=\dfrac12, then you know right away

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###

Otherwise, you can derive the same result. Let \theta=\sin^{-1}\dfrac12, so that \sin\theta=\dfrac12. \sin^{-1} is bounded, so we know -\dfrac\pi2\le\theta\le\dfrac\pi2. For these values of \theta, we always have \cos\theta\ge0.

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as expected.

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3 0
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algol [13]
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3 years ago
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In-s [12.5K]

Answer:

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Step-by-step explanation:

y = mx + b

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5 0
1 year ago
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