What special marks are used to show that segments are congruent

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Abcd is a square. what is the measure of angle bac