How to solve for the missing side of an isosceles trapezium?

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. read more

To find the perimeter of a trapezoid if you know the length of both sides and the bases, add together the length of all 4 sides. If you know the height, both side lengths, and the top base length, draw a straight line down from each top corner to form a square and 2 triangles. read more

Example Question #8 : How To Find The Length Of The Side Of A Trapezoid An isosceles trapezoid has base measurements of and , respectively. Additionally, the isosceles trapezoid has a height that is the measurement of the larger base. read more

Finding it takes some basic principles of geometry and a splash of algebra. read more