# Trapezoid

trapezoid ABCD a = 35 m, b=28 m c = 11 m and d = 14 m. How to calculate its area?

Result

S =  321.949 cm2

#### Solution:

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Evan
How did you come up with x = -0.25 and y = 24.25?

#### To solve this example are needed these knowledge from mathematics:

Pythagorean theorem is the base for the right triangle calculator. Looking for help with calculating roots of a quadratic equation? Do you have a system of equations and looking for calculator system of linear equations? See also our trigonometric triangle calculator.

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