Use a factor tree to write factors of 20

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

How would you find the height of points on the circle? the topic is trigonometry.

Find all the angles that satisfy the equation cos(θ)=32