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16-05-2020
Mathematics

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Find the value of x.

Find the value of x class=

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Hrishii Hrishii

16-05-2020

Answer:

x = 58.5°

Step-by-step explanation:

Given is an irregular pentagon.

Sum of all the interior angles of an regular or irregular pentagon is always 540°.

[tex]73° + 143° + 90° + 3x + x = 540°\\

306° + 4x = 540°\\

4x = 540° - 306°\\

4x = 234°\\

x = \frac{234 \degree}{4} \\ x = 58.5 \degree[/tex]

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