A) i) Find the straight-line distance from the third business centre to the factory.

Hapa kuna suluhisho la Item 5:

a)

i) Tafuta umbali wa njia ya moja kwa moja kutoka kituo cha tatu cha biashara hadi kiwandani.

Step 1: Tafuta kuratibu za kituo cha kwanza cha biashara (C1) kutoka kiwandani (F).
Kiwanda F kipo kwenye $(0,0)$.
Umbali $d_1 = 70 \text{ km}$. Mwelekeo N60°E (au $60^\circ$ kisaa kutoka Kaskazini).
Tunatumia fomula $x = d \sin(\text{mwelekeo})$ na $y = d \cos(\text{