In triangle ABC, the outer angles at vertices A and B are 150 and 120, respectively. Find the angle C of the triangle.
| September 29, 2021 | education
The sought unknown angle C is determined using the conditional variable “Y”.
Using the data from this example, we will form the following expression: Y = 180 – (180 – 150) – (180 – 120).
The calculation of the compiled expression will look like this Y = 180 – 30 – 60 = 180 – 90 = 90 °.
Answer: 90 °.
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