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earnstyle [38]
3 years ago
13

In the diagram, PQ and ST are parallel lines. Find the value of x.please help!!​

Mathematics
1 answer:
Valentin [98]3 years ago
5 0

Answer:

x = 95°

Step-by-step explanation:

m\angle Q = 360\degree - 235\degree = 125\degree \\

Produce QR In such a way that it intersects ray ST at any point say M.

PQ || ST... (given) and Seg QM is transversal.

\therefore m\angle PQM + m\angle SMQ = 180\degree \\(interior \: \angle \:Postulate) \\\therefore 125\degree + m\angle SMQ = 180\degree \\\therefore m\angle SMQ = 180\degree -125\degree \\\therefore m\angle SMQ = 55\degree \\In\: \triangle SMR, \: x \: is \:exterior \: \angle \\\therefore x = 40\degree + 55\degree \\\huge \purple {\boxed {\therefore x = 95\degree}}

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