3 points 5A: The following visual was used to prove whether or not a triangle is a right triangle. Is it a right triangle? How do you know? Use details from the drawing to prove your answer.​

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday