What is the size of each interior angle in a regular polygon woth 20 sides

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

Which statement justifies why angle ebc measures 90?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?