Question

please do it fast it's urgent please

Answer 1

Answer:

Step-by-step explanation:

As the sides AB =BC their lengths can be taken in common as AC,giving us the total lenght of both sides as 2AC

If AB² = 2AC² then it can be proved by Pythagoras theorem that Δabc is right-angled at C as,

h² = b²=p²    depicting   AB² = 2AC²