In a right ∆ABC right-angled at C, if D is the mid-point of BC, prove that BC2=4(AD2-AC2) .

In a right $∆ A B C$ right-angled at C, if D is the mid-point of BC, prove that $B C^{2} = 4 (A D^{2} - A C^{2}) .$

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.