How to Find the Lengths of an Isosceles Trapezoid Given the Base Angles & Side Lengths. Part of the series: Trapezoids. If you've been given the base and side lengths of an isosceles trapezoid, you've been given all you need to find the remaining lengths. Find the lengths of an isosceles trapezoid given the base angles and side lengths with help from an experienced math tutor and consultant in this free video clip. Read more: [ Ссылка ]
