The electrical resistance R ohm of a wire varies directly as the length L cm and inversely as the square root of the diameter d cm a. Express d in terms of L, R and the constant of proportionality K.
b. Find the value of correct to 2 decimal places when L=15, R=0.13ohms and K=1×10 to the power minus three.

Shortest side: xside two: x+26side three: 2xwork: x+x+26+2x=1304x+26=130 -26 -264x=104(4x=104)/4x=26check: 26+26+26+52=130shortest side length is 26 feet

The heir to the austrian throne, archduke franz ferdinand was gunned down by a young serbian terrorist. germany urged austria to declare war on serbia. russia mobilized against austria, then germany mobilized against russia. france and britain mobilized against germany. then young men such as adolf hitler volunteered in the war.