Ahiker starts walking due west from sasquatch point and gets to the chupacabra trailhead before she realizes that she hasn't reset her pedometer. from the chupacabra trailhead she hikes for 6 miles along a bearing of n54°w which brings her to the muffin ridge observatory. from there, she knows a bearing of s63°e will take her straight back to sasquatch point. how far will she have to walk to get from the muffin ridge observatory to sasquach point, to the nearest tenth of a mile?