Need help with the following questions:
6. A motorbike and car leave a service station at the same time. The motorbike travels on a bearing of 080 degrees and the car travels for 15.7km on a bearing of 108 degrees until the bearing of the motorbike from the car is 310 degrees. How far, correct to 1 decimal place, has the motorbike travelled?
7. A plane flies from Dubbo on a bearing of 139 degrees for 852 km then turns and flies on a bearing of 285 degrees until it is due west of Dubbo. How far from Dubbo is the place, to the nearest km?
8. Stig leaves home and trave;s on a bearing of 248 degrees for 109.8 km. He then tuens and travels for 271.8 km on a bearing of 143 degrees. Stif then turns and travels home on a bearing of "a"
a. How far does he travel on the final part of his journey?
b. Evaluate a
9. Two cars leave an intersection at the same time, one travelling at 70km/h along one road and he other car travelling at 80 km/h along the other road. After 2 hours they are 218 km apart. At what angle, to the nearest minute, do the roads meet at the intersection?