Questions on Word Problems: Geometry answered by real tutors!

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Question 150856This question is from textbook
: If four angles of a pentagon have measures 100,96,87 and 97, find the measure of the fifth angle.This question is from textbook
: If four angles of a pentagon have measures 100,96,87 and 97, find the measure of the fifth angle.
Answer by vleith(954) About Me  (Show Source):
You can put this solution on YOUR website!
See here --> http://www.regentsprep.org/regents/math/poly/LPoly1.htm
540 - 100-96-87-97 = ??
Question 150856This question is from textbook
: If four angles of a pentagon have measures 100,96,87 and 97, find the measure of the fifth angle.This question is from textbook
: If four angles of a pentagon have measures 100,96,87 and 97, find the measure of the fifth angle.
Answer by stanbon(17815) About Me  (Show Source):
You can put this solution on YOUR website!
If four angles of a pentagon have measures 100,96,87 and 97, find the measure of the fifth angle.
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Let the 5th angle be "x":
EQUATION:
100 + 96 + 87 + 97 + x = (5-2)180
380 + x = 540
x = 160 degrees
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Cheers,
Stan H.