# A square

A square with a length of diagonals 12cm gives:

a) Calculate the area of a square

b) rhombus with the same area as the square, has one diagonal with a length of 16 cm. Calculate the length of the other diagonal.

a) Calculate the area of a square

b) rhombus with the same area as the square, has one diagonal with a length of 16 cm. Calculate the length of the other diagonal.

### 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
**planimetrics**- Pythagorean theorem
- area of a shape
- square
- rhombus
- diagonal

#### Units of physical quantities:

#### Grade of the word problem:

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