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timama [110]
3 years ago
6

[IMAGE ATTACHED] I don’t understand this please help.

Mathematics
1 answer:
rusak2 [61]3 years ago
5 0

Answer:

  • z+5+101=180°( being straight angle)
  • z=180°-106°
  • z=74°

<h3>hope it helps.</h3><h3>stay safe healthy and happy</h3><h3 />
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3 years ago
State one form of the Law of Cosines and provide a trick for writing the other two forms and explain when Law of Cosines should
Yuki888 [10]

Solving for <em>Angles</em>

\displaystyle \frac{a^2 + b^2 - c^2}{2ab} = cos∠C \\ \frac{a^2 - b^2 + c^2}{2ac} = cos∠B \\ \frac{-a^2 + b^2 + c^2}{2bc} = cos∠A

* Do not forget to use the <em>inverse</em> function towards the end, or elce you will throw your answer off!

Solving for <em>Edges</em>

\displaystyle b^2 + a^2 - 2ba\:cos∠C = c^2 \\ c^2 + a^2 - 2ca\:cos∠B = b^2 \\ c^2 + b^2 - 2cb\:cos∠A = a^2

You would use this law under <em>two</em> conditions:

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  • ALL three edges defined

* Just make sure to use the <em>inverse</em> function towards the end, or elce you will throw your answer off!

_____________________________________________

Now, JUST IN CASE, you would use the Law of Sines under <em>three</em> conditions:

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* I HIGHLY suggest you keep note of all of this significant information. You will need it going into the future.

I am delighted to assist you at any time.

7 0
3 years ago
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Step-by-step explanation:

3 0
4 years ago
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gulaghasi [49]

Answer:

1/3

Step-by-step explanation:

9/27 simplified is 1/3

6 0
3 years ago
7y+16=2x+4x-30<br><br> Help me pls i am dumb
AveGali [126]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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