How can you avoid getting a flat tire 1.3?

To best avoid flat tires, try to stay away from the shoulder or edge-lines on the road. Debris and other items that can puncture a tire are usually pushed toward the outer edges by previously-passing cars, and driving along the edge could cause these items to be pushed into the tire, leading to a puncture.

Add up all the sides

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.