Question

1. Use the figure below to answer the questions. (a) Solve for x.

Answer 1

Let's see what to do buddy...

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The sum of the angles of each n-sided figure is found in the following equation :

$(n - 2) \times 180$

The question's figure is 5-sindes figure

so the sum the angles equal :

$(5 - 2) \times 180 = 3 \times 180 = 540$

So we have :

$90 + 107 + 144 + 138 + x = 54 0$

$479 + x = 540$

Subtract the sides of the equation minus 479

$x = 540 - 479$

$x = 61$

And we're done.

Thanks for watching buddy good luck.

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