Four ships A,B,C and D are at sea in the following relative positions: B is on the straight line segment AC, B is due north of D and D is due west of C. The distance B and D is 2km. `angleBDA = 40^(@), angleBCD = 25^(@)`. What is the distance between A and D. (`sin 25^(@) = 0.423`).

B is due west of A and C is due north of B. If the distance between B and C is 48 km and the distance between A and C is 73 km . Find the distance between A and B.

Point A is 10 miles West of point B. point B is 30 miles North of Point C. Point C is 20 miles East of Point D. What is the distance between point A and D ?

Line segments A C and B D are diameters of the circle of radius 1. If /_B D C=60^0 , the length of line segment A B is_________

Line segments A C and B D are diameters of the circle of radius one. If /_B D C=60^0 , the length of line segment A B is_________

Line segments A C and B D are diameters of the circle of radius 1. If /_B D C=60^0 , the length of line segment A B is_________

Line segments A C and B D are diameters of the circle of radius one. If /_B D C=60^0 , the length of line segment A B is_________

Find the resultant force of the following forces which act upon a particle . (a) 30 N due east , (b) 20 N due north , (c) 50 N due west , (d) 40 N due south .

The genes A,B,C and d are located on the same chromosome in such a way that the distance between A and B is 7 map units, between B an C is 2 map is unit, between C and D is. 4.5 units. What is the distance between A and D? What is the porbability of linkage between B and D and between A and D?