Triangles ABC and DEF are mathematically similar. The area of triangle ABC is 34cm^2.Calculate the area of triangle DEF.

How many $20 bills do you need to have to make $280

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

If two points are given,then exactly one line can be drawn through those two points.which geometry term does the statement represent