Area 4gon

Calculate area of 4-gon, two and the two sides are equal and parallel with lengths 11, 5, 11 and 5. Inner angles are 45°, 135°,45°, 135°.

Result

A =  38.89

Solution:

Solution in text A =

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To solve this example are needed these knowledge from mathematics:

Pythagorean theorem is the base for the right triangle calculator.

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