# PQR - Euclid

Find the length of line segment PR - leg of the right triangle PQR.

PQ=17 cm

PS=15 cm

QS=8 cm;

Point S is the height touch point with a hypotenuse of the RQ.

PQ=17 cm

PS=15 cm

QS=8 cm;

Point S is the height touch point with a hypotenuse of the RQ.

## Correct answer:

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

**geometry**- line segment
**algebra**- expression of a variable from the formula
**arithmetic**- square root
**planimetrics**- Pythagorean theorem
- right triangle
- area of a shape
- The right triangle altitude theorem

### Units of physical quantities:

### Grade of the word problem:

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