Part a: find the measure of the following angles: < 1 < 2 < 3. show your work to justify your answers. earn up to 1 point for each missing angle with the correct answer and work shown. part b: answer the following question in 1-2 complete sentences. how is the measure of < 1 and the measure of < 2 related to the exterior 123° angle? (1 point)

Which statements regarding the diagram are true? check all that apply.

What is the value of r of the geometric series?

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.