Marcus and Sylvio are watching whales.  Marcus spots a whale N55°E from his position on the shoreline.  Sylvio is standing 10 km due east from Marcus and he spots the same whale at a direction of N45°W from his position.  How far is Marcus from the whale, rounded to one decimal place? Answer step-by-steps. 2) For ΔQRS, q = 21, r = 12, ∠Q = 125°.  Find all possible measurements of ΔQRS.  Please round all angles to the nearest degree and all side lengths to one

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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1) Marcus and Sylvio are watching whales.  Marcus spots a whale N55°E from his position on the shoreline.  Sylvio is standing 10 km due east from Marcus and he spots the same whale at a direction of N45°W from his position.  How far is Marcus from the whale, rounded to one decimal place? Answer step-by-steps.

2) For ΔQRS, q = 21, r = 12, ∠Q = 125°.  Find all possible measurements of ΔQRS.  Please round all angles to the nearest degree and all side lengths to one decimal place. Answer step-by-steps,

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