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FIND THE MEASURE OF ANGLE F PLS HELP ASAP!

FIND THE MEASURE OF ANGLE F PLS HELP ASAP!-example-1

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Answer:

We know that the sum of the the interior angles of a quadrilateral is 360°.

In the figure, angle H = angle F

angle H+ angle F+ angle E+ angle G =360°


x + x + 87 + 31 = 360 \\ 2x + 118 = 360 \\ 2x = 242 \\ x = (242)/(2) \\ \boxed{x = 121}

Therefore, Angle F = 121°.

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