# Determine 6415

Determine the distance of two parallel chords of lengths of 7 cm and 11 cm in a circle with a radius of 7 cm

### 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
- circle
- triangle
- chord

#### Units of physical quantities:

#### Grade of the word problem:

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