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Work out the angle of x please answer ASAP!!

Work out the angle of x please answer ASAP!!-example-1

1 Answer

4 votes

Given:

The figure of a pentagon.

To find:

The value of the x.

Solution:

We know that, the sum of all interior angles of a pentagon is 540 degrees. So,


(5x-25)+(6x+25)+(6x-3)+(9x)+(7x+15)=540


(5x+6x+6x+9x+7x)+(-25+25-3+15)=540


33x+12=540

Subtract both sides by 12.


33x+12-12=540-12


33x=528

Divide both sides by 33.


x=(528)/(33)


x=16

Therefore, the value of the x is 16.

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