# Area 4gon

Calculate the 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°.

### Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**arithmetic**- square root
**planimetrics**- Pythagorean theorem
- right triangle
- triangle
- rhomboid
- quadrilateral
**numbers**- real numbers

#### Units of physical quantities:

#### Grade of the word problem:

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