The angles of the triangle are proportional to the numbers 4, 5 and 9. This triangle …
| August 3, 2021 | education
The angles of the triangle are proportional to the numbers 4, 5 and 9, that is, they are equal to 4x, 5x and 9x, respectively, where x is the proportionality coefficient. Let’s find them, considering that the sum of the angles in the triangle is 180 °;
4x + 5x + 9x = 180 °; x = 10 °; the magnitude of the angles will be: 40 °; 50 °; 90 °.
Answer: this triangle: b) rectangular.
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