Answer:
2ab + c²
Step-by-step explanation:
Please find attached a diagram of square 5
Area of a triangle = 1/2 x ( base x height)
(1/2 x (a xb) ) x 4 = 2ab
The Pythagoras theorem : a² + b² = c²
where a = length
b = base
c = hypotenuse
a² + b² = c²
a² + 2ab+ b² = 2ab + c²
