Math, asked by KingD, 1 year ago

4 angles of quadrilateral are in A.P and their commom difference is 20 degree find other 4 angles

Answers

Answered by tony19

Wr know that sum of all angles in a quadrilateral is 360
Also the common difference is given 20 so let the angles be
a,a+20,a+40 and a+60
a+a+20+a+40+a+60= 360
4a+ 120= 360
4a= 240
a= 60
So the angles are
60,80,100,120 degrees

Hope it helped you
Pls mark as brainliest

KingD: why di you take a+20.....?

tony19: Beacuse common difference is 20

tony19: An in an AP if one is a then the next one will be a+20

tony19: Pls mark as brainliest

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