Page 44 - Trigonometry
P. 44
r
D? 177=
X? 35=
Y? 40=
The distance between houses 1 & 3 is 67.56 km.
A mistake was made estimating the angle between
o
houses 2 & 1, it should have been 29.5 . What is the
corrected distance between houses 1 & 3?
r
D? 177=
X? 29.5=
Y? 40=
The corrected distance between houses 1 and 3 is
50.693 km.
40
