Question

from station to bus stand ,via tank bund is 8 miles.From tank bund to bus stand via station is 7 miles.From station to tank bund via bus-stand is 11 miles.calculate the distances between:1.station and bustand,2.station and tankbund and 3.bustand and tank bund

Answer 1

See the diagram.

you can also do this by denoting the sides as a, b, and c.

then 2(a+b+c) = 8+7+11 miles = 26 miles.
perimeter of triangle = 13 miles.

then a = perimeter - (a+b)  etc..