# Diagonals of rhombus

Find the length of the diagonal AC of the rhombus ABCD if its perimeter P = 112 dm and the second diagonal BD has a length of 36 dm.

## Correct answer:

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

**algebra**- expression of a variable from the formula
**arithmetic**- square root
**planimetrics**- Pythagorean theorem
- right triangle
- perimeter
- triangle
- rhombus
- diagonal

#### Units of physical quantities:

#### Grade of the word problem:

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