O'Reilly logo

Head First 2D Geometry by Dawn Griffiths, Stray

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

ac
tua
ll
y bent r
ight here.
it’s not really a straight line
If it doesnt all add up, then
something isn’t as it seems
The mystery angle is 18º and the mystery angle is 13º…well,
that clearly doesn’t add up. If the mystery angle is 13º, then
it can’t be vertically opposite our 18º bullet path angle as well.
This means that the line on the sketch from Benny to Micky
doesn’t join up perfectly with the bullet path.
CRIME SCENE SKETCH
CASE GEO180
(ANGLES AS MEASURED
BUT DRAWING NOT TO
SCALE)
BULLET
PA
TH
MICKY
BENNY
FOOTPRINTS
18º
81º
86º
72º
81º 99º
W
e thought that this w
ould be a
straight line from Benn
y through
t
o the bullet path, but our
ca
lcul
a
tions s
how tha
t i
t can’t be.
18º
13º
18º
13º
T
his is simpl
y impossible.
T
hese angles could onl
y
w
ork if the bullet pa
th
24 Chapter 1

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required