Question

The bearings of A from B are given in the figures. Find the bearings of B from A.

Answer 1

Figure A

Reflex of ∠ A = 180° - 30°

⇒ Reflex of ∠ A = 150°

∠A = 360° - 150°

⇒ ∠A = 210°

Figure B

Reflex of ∠ A = 180° - 70°

⇒ Reflex of ∠ A = 110°

∠A = 360° - 110°

⇒ ∠A = 250°

Figure C

Reflex of ∠ A = 180° - 88°

⇒ Reflex of ∠ A = 92 °

∠A = 360° - 92°

⇒ ∠A = 268°

Figure D

Reflex of ∠ A = 180° - 90°

⇒ Reflex of ∠ A = 90 °

∠A = 360° - 90°

⇒ ∠A = 270°

Figure E

Reflex of ∠ A = 180° - 110°

⇒ Reflex of ∠ A = 70°

∠A = 360° - 70°

⇒ ∠A = 290°

Figure F

Reflex of ∠ A = 180° - 130°

⇒ Reflex of ∠ A = 50°

∠A = 360° - 50°

⇒ ∠A = 310°

Figure G

∠B reflex = 360° - 220°

⇒ reflex of ∠B = 140°

∠A = 180° - 140°

⇒ ∠A = 40°

Figure H

∠B reflex = 360° - 310°

⇒ reflex of ∠B = 50°

∠A = 180° - 50°

⇒ ∠A = 130°

Answer 2

Answer:

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