https://www.analyzemath.com/Geometry_calculators/trapezoid_calculator.html

An online calculator to find the angles, height, area and the diagonals of a trapezoid given its four sides.

https://www.mathopenref.com/trapezoidarea.html

The number of square units it takes to completely fill a trapezoid. Formula: Average width ... Use the calculator on the right to calculate height, base lengths and area of a trapezoid. Enter any three values and the missing one will be calculated.

https://www.varsitytutors.com/intermediate_geometry-help/how-to-find-the-length-of-the-side-of-a-trapezoid

Write the formula for finding the area of a trapezoid. ... this problem provides the length for both of the bases as well as the total perimeter, the missing sides can ...

Geometry, Trapezoid Calculator, Calculates Area, Diagonals, Angles, height, altitude, ... Lines AB and DC are the non-parallel sides and are called legs.

Feb 3, 2014 ... Learn how to solve problems about trapezoids. A trapezoid is a four sided shape (quadrilateral) such that one pair of opposite sides are parallel ...

https://www.wikihow.com/Find-the-Perimeter-of-a-Trapezoid

If You Know the Height, Length of Top ... Do this by using the SIN button on a scientific calculator. ... missing side of the trapezoid, is about 10.4566 cm.

https://rechneronline.de/pi/trapezoid.php

Calculations at a trapezoid. A trapezoid (or trapezium) is a tetragon with two parellel sides. Enter three side lengths and one angle between two of those sides .

https://sciencing.com/perimeter-trapezoid-missing-side-2393.html

For example: a trapezoid has an area of 171 cm^2, a side of 10 cm and a height of 18 cm. How long is the missing side? Finding it takes some basic principles of  ...

https://www.omnicalculator.com/math/area-of-a-trapezoid

Area of a trapezoid calculator determines the area, perimeter, and side lengths for an arbitrary trapezoid.

https://rechneronline.de/pi/right-trapezoid.php

Calculations at a right trapezoid (or right trapezium). This is a trapezoid with two adjacent right angles. Enter the lengths of the two parallel sides a and c and ...