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Juli2301 [7.4K]
3 years ago
7

I need help! Please! 30 points!

Mathematics
2 answers:
Tom [10]3 years ago
7 0

ANSWER:

[i] Parallelogram.

[ii] Bisect each other.

[iii] SAS congruence postulate.

Arada [10]3 years ago
3 0

<em>I'm sorry and I feel that your probably going to get mad, but we can't answer this question without knowing what those drag-and-drop options are! I hope that you can quickly re-post this, and then I will be able to help you! Sorry!</em>

<em />

<em>Miri</em>

<em />

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(20 points)Solve the equation cos x = sin (x + 22)
Law Incorporation [45]

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\bold{x = 34^\circ}

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The given equation.

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First of all, let us consider an important property of sine and cosine.

sin(90^\circ-\theta )=cos\theta

OR

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Changing cosx to sine form:

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\therefore 90^\circ-x=x+22^\circ\\\Rightarrow 90^\circ-22^\circ=x+x\\\Rightarrow 2x=68^\circ\\\Rightarrow \bold{x = 34^\circ}

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\bold{x = 34^\circ}

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