J joyousness May 2010 3 0 May 10, 2010 #1 hey! 1. this diagram (the one attached) shows a regular pentagon divided into a quadrilateral. calcualte the angles in each of these triangles and the quadrilateral. thnx a bunch Joyousness Attachments 2. b).JPG 9.7 KB Views: 1

hey! 1. this diagram (the one attached) shows a regular pentagon divided into a quadrilateral. calcualte the angles in each of these triangles and the quadrilateral. thnx a bunch Joyousness

S sa-ri-ga-ma Jun 2009 806 275 May 11, 2010 #2 The total angles in a pentagon is given by (5 - 2)π. So each angle is 108 degrees. Angle MLK = 108 degrees Angle MNJ = 108 degrees MN = NJ. So angle NMJ = angle NJM = 36 degrees LMOK is a rhombus. Now find the remaining angles.

The total angles in a pentagon is given by (5 - 2)π. So each angle is 108 degrees. Angle MLK = 108 degrees Angle MNJ = 108 degrees MN = NJ. So angle NMJ = angle NJM = 36 degrees LMOK is a rhombus. Now find the remaining angles.