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.
Size of Damage Affects the Cost. It stands to reason but the size of the damage done to your windshield will also affect how much the repair will cost. For example, a smaller chip or crack of a foot or less will cost approximately $50-$60 in repairs.he average cost to repair a windshield will change for each vehicle type, for example: 1  Car windshield replacement or repair â $30-$324. 2  Sports utility vehicle (SUV) windshield replacement or repair â $164-$290. 3  Pickup Truck windshield replacement or repair â $164-310.