math
posted by matt .
a hiker travels for 15km on a bearing of 210T how far south is he please show working

does 210T mean 210° ?
I made a sketch and have him going S30W for 15 km
I completed a rightangled triangle by joining the end point to the yaxis , letting your "how far south) distance be y
y/15 = cos30°
y = 15cos30 = appr 12.99 km
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