#4:Why these pictures? The first picture shows the Forth Rail Bridge of Scotland which was build on 1892. This bridge was made to last for a long time and for that to happen, the designer should not only consider the materials and maintenance but also the design. And as you can see, the bridge is made up of angles. Second picture shows a billiard table and did you know that for you to become a good billiard player, you must be good in angles? The third one is a modern device used to get the measure of an angle which is called the angle finder. Lastly, a good photographer knows how to take pictures at the right angle.
#7:Our goals at the end of the lesson…Knowing that our topic focuses on angles, let’s find if you still remember how to measure of the following angles.
#9:In the following examples, it’s easy for you to identify the measure of the following angles because you are guided by theby the x and the y axes of the coordinate plane. Plus we know that 2 perpendicular lines form 90-degree angle. But…