luisz
In quadrilateral PQRS, the measure of angle S is 20
more than the average of the measures of the
other three. What is the measure of angle S?



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luisz
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I guess I am posting alot of Geometry problems today

AriPotta
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the sum of interior angles in a quadrilateral is 360

luisz
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yep

AriPotta
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so, with that, how would you set up the equation?

luisz
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=360

luisz
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hmm

cinar
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140

luisz
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that is an incorrect response

luisz
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it is 105

luisz
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but why

cinar
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20+(a+b+c)/3=s

luisz
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I set up the equation

luisz
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3x/3+20+x+x+x=360

AriPotta
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cinar is right :l

luisz
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opps

luisz
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4x=340

luisz
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so

luisz
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each angle equals 85 besides S

cinar
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yes it is 105

luisz
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85 times 3=255

luisz
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+105=360

luisz
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ty guys

AriPotta
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don't listen to me, listen to cinar lol

luisz
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where is that dog from?

cinar
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a+b+c+s=360

luisz
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What TV show?

AriPotta
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martha speaks

luisz
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nice

luisz
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From owl is from Pokemon

AriPotta
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:)

luisz
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His name is Noctowl from second generation Jhoto

luisz
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next problem