To find the surface area of the given figure identify all the faces on the figure, calculate the area of each face and then sum the areas:
Measures in red
Number of faces in green, total faces 9
Area of a triangle:
Area of a rectangle:
Area of faces 1 and 2(rectangles):
Area of faces 3 and 4 (triangles):
Area of faces 5 and 6 (rectangles):
Area of faces 7 and 8 (rectangles):
Are of face 9 (rectangle):
Total surface area:
