In a triangle PQR, let PQR=30^ and the sides PQ and QR have lengths 10 3 and 10, respectively. Then, which of the following statement(s) is (are) TRUE?

JEE Advanced 2018 Mathematics question

In a triangle , let and the sides and have lengths and 10, respectively. Then, which of the following statement(s) is (are) TRUE?

Answer: (B),(C),(D)

Cosine rule: . The triangle is isosceles with and : (A) false. Area

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Question ID VK-026737