1.A ladder 15 feet long leans against a wall and forms an angle of 45 with the ground. How far from the wall is the ladder?

2.A ladder 20 feet long leans against a wall and forms an angle of 30 with the ground. How far from the wall is the ladder?

**Numbers 1 and 2 are working with the properties of the 45-45-90 special right triangle and 30-60-90 special right triangle

3.Find the perimeter of an equilateral triangle with side length of 5.5 in.

4.What is the area of an equilateral triangle with side lengths of 8 cm? Round to the nearest hundredth.

***if you could show your work for all of these, that would be great!