Angles ratio
The internal angles of a triangle are in ratio 1:4:5. What kind of triangle is it? (solve interior angles and write down and discuss)
Correct answer:

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Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
See also our trigonometric triangle calculator.
You need to know the following knowledge to solve this word math problem:
algebraplanimetricsbasic operations and conceptsUnits of physical quantities
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