Chemistry, asked by Ruthwik7669, 18 hours ago

9. In the given fig, XR // AC, QP // AB, LCAX = 65°, find LQPR

Answers

Answered by ashmitdey53

0

Answer:

∠BAC = 60°

∠BOC = 120°

The angle made by any arc of a circle on the alternate arc is half the angle made at the centre.

Kerala Syllabus 10th Standard Maths Solutions Chapter 5 Trigonometry - 19

The sides of the right angle triangle ΔCOD with angles 30°, 60°, 90° are proportional to the number 1 : √3: 2 .

Kerala Syllabus 10th Standard Maths Solutions Chapter 5 Trigonometry - 20

Explanation:

∠BAC = 60°

∠BOC = 120°

The angle made by any arc of a circle on the alternate arc is half the angle made at the centre.

Kerala Syllabus 10th Standard Maths Solutions Chapter 5 Trigonometry - 19

The sides of the right angle triangle ΔCOD with angles 30°, 60°, 90° are proportional to the number 1 : √3: 2 .

Kerala Syllabus 10th Standard Maths Solutions Chapter 5 Trigonometry - 20

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