In right-angled triangle ABC in which ∠C= 90° , if D is the mid-point of BC, prove that AB2=4AD2-3AC2

In right-angled triangle ABC in which $∠ C = 90 °$ , if D is the mid-point of BC, prove that $A B^{2} = 4 A D^{2} - 3 A C^{2}$

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.