The shape is already split into 3 different shapes, so you can find the area of each of those shapes and add them together.
Triangle 1 : 2 · 2 · .5 = 2 units²
Square : 2 · 2 = 4 units²
Triangle 2 : 4 · 2 · .5 = 4 units²
2 + 4 + 4 = 10 units²
