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In triangle PQR, the angle bisector of cuts QR at A. Find the length of PR, if the lengths of PQ, QA and AR are 12 cm, 4.2 cm and 3.8 cm, respectively. (Round off to one decimal place).

11.4 cm
10.9 cm
7.8 cm
8.2 cm
10.9 cm
Practice and solve "In triangle PQR, the angle bisector of cuts QR at A. Find the length of PR, if the lengths of PQ, QA..." for Mathematics - Previous Year Paper 2025. The correct answer is Option B: 10.9 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "In triangle PQR, the angle bisector of cuts QR at A. Find the length of PR, if the lengths of PQ, QA..." for Mathematics - Previous Year Paper 2025. The correct answer is Option B: 10.9 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.