Posted by **Amanda** on Monday, September 3, 2012 at 7:11pm.

Tammy leaves the oﬃce, drives 43 km due

north, then turns onto a second highway and continues in a direction of 30◦

north of east for 80 km.

What is her total displacement from the office?

and

At what angle is her displacement? (Consider east to be 0◦ and north 90◦.)

please help! I got 40 and 24.8 and they are both wrong ;(

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