how do you know that each of these constructions is valid when it is made with a compass or straight edge

Acircle has a radius of 17. approximately what is the area of the circle

At the beginning of the month, alexa’s bank account contained $4329.97. she then made two deposits of $452.28 each and a withdrawal of $279.34. she then went to the store and bought the new iphone x for $1,015 plus 6% sales tax. how much money does she have in her account now?

According to the diagram, an 8-foot-tall statue cast a shadow on the ground that is 15 feet in length. based on the information, which trigonometric ratio has the value 8/15