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Nataly [62]
3 years ago
9

Need help with this asap, please

Mathematics
1 answer:
Lilit [14]3 years ago
6 0

Answer:

<h3>             Perimeter = 3√5 + 6 + √73 + √58 + 5√2</h3>

Step-by-step explanation:

AB=\sqrt{(6-0)^2+(5-8)^2}=\sqrt{36+9}=\sqrt{45}=3\sqrt5\\\\BC=|-1-5|=|-6|=6\\\\CD=\sqrt{(-2-6)^2+(-4-(-1))^2}=\sqrt{64+9}=\sqrt{73}\\\\DE=\sqrt{(-5-(-2))^2+(3-(-4))^2}=\sqrt{9+49}=\sqrt{58}\\\\EA=\sqrt{(0-(-5))^2+(8-3)^2}=\sqrt{25+25}=\sqrt{25\cdot2}=5\sqrt2

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Now, According to the question;

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Two angles are Supplementary when they add up to 180 degrees.

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⇒(x - 9)˚+(7x + 21)°=180°

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Learn more about Supplementary angles at:

brainly.com/question/13045673

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