Task 1 four tangents are drawn from e to two concentric circles, a, b,c, and d are the points of tangency. name as many pairs of congruent triangles as possible and tell how you can show each pair is congruent.

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