In the given figure, PQR is a triangle in which angle P : angle Q : angle R – 3 : 2 : 1, and PR is perpendicular to RS. What will be the measure of angle TRS?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e 60o
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Understanding Given PQR is a triangle in which angle P : angle Q : and R – 3 : 2 : 1 |
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Application According to figure
⇒ (3 + 2 + 1)unit = 180 ⇒ (6) unit = 180 ⇒ (1 unit) = 30 means ∠PRQ = 30 |
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Now ∠PRQ + ∠PRS + ∠TRS = 180 ⇒ 30 + 90 + ∠TRS = 180 ⇒ ∠TRS = 180 - 120 ⇒ ∠TRS = 60 |