# Folding table

The folding kitchen table is rectangular with an area of 168dm

The result round to one-hundredths.

^{2}(side and is 14 dm long). If necessary, it can be enlarged by sliding two semi-circular plates (at sides b). How much percent will the table area increase?The result round to one-hundredths.

### 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**- rounding
**planimetrics**- circle
- area of a shape
- rectangle
**basic functions**- percentages
- reason

#### Units of physical quantities:

#### Grade of the word problem:

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