The interior angles of a simple (and planar) quadrilateral ABCD add up to 360 degrees of arc, that is. This is a special case of the n-gon interior angle sum formula (n â 2) Ã 180Â°. All convex quadrilaterals tile the plane by repeated rotation around the midpoints of their edges.
1 CostHelper readers report paying $150-$300 for a windshield replacement, at an average cost of $214. 2  WindshieldsToGo.com provides an online form to estimate the cost of windshield replacement with and without installation, based on zip code and the year, make, model and style of vehicle.
DIY Windshield Repair. This is a how to fix your chipped windshield. If you do not do this as soon as possible the chip can turn into a crack overnight! It is easy and costs $10... A repair place will charge about $50 to fix the chip and a windshield can cost you over $500 to replace.This short diy video will save you time, money, and frustration!Plus you learn something cool! Here is where I got the window repair kit: http://www.amazon.com/gp/product/B000... repair place will charge about $50 to fix the chip and a windshield can cost you over $500 to replace. This short diy video will save you time, money, and frustration! Plus you learn something cool! Here is where I got the window repair kit: http://www.amazon.com/gp/product/B000...