# Concerning 6294

Two isosceles triangles have the same angle at the apex concerning the base. One has a 17 cm long arm and a 10 cm long base. The second has a base length of 8 cm. Determine the length of his arm.

## Correct answer:

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Calculation of an isosceles triangle.

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Calculation of an isosceles triangle.

See also our trigonometric triangle calculator.

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

**geometry**- similarity of triangles
**algebra**- expression of a variable from the formula
**planimetrics**- triangle
**basic functions**- ratio
- direct proportionality
- simple proportion

### Units of physical quantities:

### Grade of the word problem:

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