Question

Alex has a grid in the shape of a rectangle. He has right triangles. Each right triangle has an area of 25 square millimeters and each right triangle fits on the grid. If the length of the grid is 20 centimeters and the width is 12 centimeters, how many right triangles can Alex fit on the grid?

Answer 1

First I would convert 20 and 12 to millimeters which would be 20= 200mm 12= 120mm. You would then find the area if the grid which would be 200•120=