Angle 4 is an exterior angle of the triangle formed by extending one of the sides of the triangle. In this case, it is the exterior angle formed by extending side BC. The measure of angle 4 is equal to the sum of the measures of the two remote interior angles, which are angle 1 and angle 2. Therefore, angle 4 is equal to the sum of angle 1 and angle 2. **

Tilting the car can be harmful as it can affect the balance and stability of the vehicle, increasing the risk of accidents. It can also put strain on the suspension system and tires, leading to premature wear and tear. Additionally, excessive tilting can cause fluids to leak or spill, potentially damaging the engine or other components. It is important to drive safely and avoid any maneuvers that could tilt the car excessively. **

The MTB goggles are mirrored. Mirrored goggles have a reflective coating on the outside of the lens, which helps to reduce glare and provide additional protection from bright sunlight. This feature is particularly useful for mountain biking, as it enhances visibility and reduces eye strain in varying light conditions. **

The screen may not be tilting anymore due to a malfunction in the tilt mechanism or a loose connection. It could also be caused by a software issue or a setting that needs to be adjusted. It is recommended to check the physical components of the screen, such as the hinges and screws, and also to ensure that the software settings are correctly configured. If the issue persists, it may be necessary to seek professional assistance to diagnose and fix the problem. **

Tilting windows can help to prevent mold by allowing for better air circulation and ventilation. When windows are tilted, it allows for fresh air to enter the room and for moisture to escape, which can help to reduce the likelihood of mold growth. However, it is important to also address any underlying issues such as leaks or excess moisture in the home to fully prevent mold growth. Regular cleaning and maintenance of windows and their surrounding areas can also help to prevent mold. **

A tilting iceberg is energetically favorable because it reduces the surface area of the iceberg that is exposed to the surrounding water. This reduction in surface area decreases the amount of energy required to melt the iceberg, as there is less ice in contact with the warmer water. Additionally, the tilted shape allows for more efficient heat transfer between the iceberg and the water, further aiding in the melting process. Overall, a tilting iceberg is energetically favorable as it helps to accelerate the melting process. **

Tilting technology in trains refers to the ability of the train to lean into curves while maintaining stability and passenger comfort. This technology allows trains to travel at higher speeds around curves without causing discomfort to passengers or compromising safety. The tilting mechanism is typically controlled by sensors and hydraulic systems that adjust the train's body to counteract the centrifugal force experienced during cornering. This technology is especially beneficial for trains operating on winding or high-speed rail lines, as it allows for faster and more efficient travel. **

Yes, FaceTime is mirrored during video calls. This means that the image you see on your screen is a mirror image of how you appear to the person you are video calling. This mirroring effect helps to create a more natural and intuitive interaction during video calls, as it simulates looking at each other face-to-face. **