In the figure, the diagonals of a quadrilateral split it into four triangles. The areas of three of them are shown in the picture:
Calculate the area of the whole quadrilateral.

Compute the area of the quadrilateral shown below:

Calculate the area of the triangle shown below.

Calculate the-area of the green colored part of this picture:

The bottom side of the quadrilateral in the picture is a diameter of the circle and the top side is ạ chord parallel to it. Calculate the area of the quadrilateral.

Calculate the perimeter and area of the triangle in the picture.

Calculate.the perimeter and area of the triangle in the picture.

In the picture below, the top vertex of a triangle is joined to the midpont of the opposite side and then the point dividing this line in the ratio 2:1 is joined to the other two vertices: Prove that the areas of all three triangles in the picture on the are equal to a third of the area of the whole triangle.

Using the figure find the area of the shaded region as the sum of the area of two triangles