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Zanzabum
2 years ago
12

Find X and Y. can someone please help me with this question, thank you

Mathematics
1 answer:
Arturiano [62]2 years ago
3 0

3<em>x</em> + 120° + <em>x</em> + 120° = 360°

4<em>x</em> + 240° = 360°

4<em>x</em> = 120°

<em>x</em> = 30°

<em>y</em> = 1/2 (3<em>x</em> - <em>x</em>)

<em>y</em> = 1/2 (90° - 30°)

<em>y</em> = 1/2 × 60°

<em>y</em> = 30°

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Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:        

We have been given a triangle and we are asked to find the length of AC (b).

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c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta

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(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)  

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(AC)^{2}=369-360(-0.275637355817)      

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Upon taking square root of both sides of our equation we will be get,

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3 years ago
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The integers are 7, 9 , 11
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3 years ago
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