Question

18. Case study 2In this figure, the person standing on the top of the mountain is looking down at a small ship.The angle so formed by the line of sight within the horizontal line is called the angle ofdepressionHorizontal levelLine of sightAngle ofdepressionMountain10Object11a. If AB-100 m then distance BC will bei) 200 mii) 50mID 100 miv) none of theseb. What is the height of mountain if BC - 50 m, height of man = 1 mi) 48 mii) 49 miii) 50miv) none of theseWhat is the length of AC (Line of sight) if AB = 50 mi) 50v2 m ii) 100v2 m iii) 50V3 m iv) 100V3 md. If angle of depression becomes 30° then distance AB will be1) AB = 2 BC ü) AB = V3 BC iii) AB =BC/2 iv) none of theseIf AB = 200 m then what will be time taken by ship to reach the mountain if speed is90 km/hri) 25 seconds ii) 30 seconds iii) 10 seconds iv) non

Answer 1

Answer:

nrbe ban db CVh HD hd hd JD JD JD n HD vn dd HD nah sh NC NC m sh DVD md MD MD n sh JD Jan DVD kah ch na n sh o be j sh nah sh BD Jan sh HD md md j sh SCah sh go ka bav wc bag dd

Step-by-step explanation:

b sh SC vs vs BD nah sh BD HD m sh shh JD JD n nam xv d nd BCB BBC NZ n sh css nah CVC m