Physics
posted by Crystal .
An airplane flies 340 km due east, makes a
rightangle turn, and then flies 390 km due
north.
Find the magnitude of the plane’s displace
ment from its starting point. Neglect the
curvature of the earth.
Answer in units of km

340^2+390^2=267700
take the square root of 267700 n it equals abt 517.397