n.c.e.r.t book of maths for class 8th..page no. 43 try these(pink box )...ques no.3...pls ans..!

3.1)  Measure of each exterior angle = sum of  measure of all exterior angles / no. of exterior angles

  = 360/6 = 60

3. 2) Measure of each interior angle = angle sum of the regular polygon/ no. of sides

  = ( 6-2)X 180/ 6

  = 720/6

  = 120

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