178k views
22 votes
the measure of the seven angles in a pentagon measure 87, 105, 135, and 92. what is the measurement of the last angle

User Amit Vujic
by
4.0k points

1 Answer

8 votes

Answer:

121

Explanation:

If you add them all up, 87+105+135+92= 419

the pentagon is equal to 540 degrees so minus 540 by 419

then you get 121

User Ervin
by
3.5k points