Question

Plzz help me with step by step answer

Answer 1

Answer:

Your correct answer is = 4 cm

If you look at the hypotenuse of triangle abc & def. You observe that hypotenuse of triangle abc is haff of the hypotenuse triangle def. So all other sides will be also half. This is the only way to answer the questions.

Thanks

Answer 2

Answer:

AB is 9 cm

that's the correct answer.