Posted by lauren on Monday, September 24, 2012 at 7:13pm.
If a bird were to start out from the origin (where the student starts) and fly directly (in a straight line) to the school, what distance d_b would the bird cover?
north .9 - .1 = .8
west .6
right triangle beacuse north is perpendicular to west
c^2 = a^2 + b^2
c^2 = .8^2 + .6^2
3,4 ,5 triangle = 2 (.3 , .4 , .5)
so answer is 1
or do it out
.8^2 = .64
.6^2 = .36
sum is 1
sqrt (1) = 1
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