In the figure shown below, PQRS is a square and TPS is an equilateral triangle. The bisectors of angle PTS and angle QRS meet at point O. What is the measure of angle TOR?
Answers
Answer:
120*
Step-by-step explanation:
aka p show for cold PA
Drawing: refer to the attachment
We name the intersection of PS and TO, U.
Step-by-step explanation:
Since TO is the bisector of ∠PTS, ΔPTS being an equilateral triangle, TO ⏊ PS.
Thus ∠SUO = 90°
Since PQRS is a square, ∠RSU = 90°
Given that, OR is the angle bisector of ∠QRS.
Then ∠ORS = 45°, since PQRS is a square and ∠QRS = 90°
From the quadrilateral SUOR, we write
∠UOR + ∠ORS + ∠RSO + ∠SUO = 360°
or, ∠TOR + 45° + 90° + 90° = 360°, since ∠UOR = ∠TOR
or, ∠TOR + 225° = 360°
or, ∠TOR = 135°
Answer:
The measure of ∠TOR is 135°.
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