# Angles in a triangle

In a triangle, the first angle measures a number plus 45°, and the second angle is 30° less than the first angle. The third angle is two times the number more than the first angle. What are the measurements of each angle of the triangle?

### Correct answer:

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

**algebra**- equation
- system of equations
- expression of a variable from the formula
**planimetrics**- right triangle
- triangle

#### Units of physical quantities:

#### Grade of the word problem:

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