Question

Hello. Can anyone please explain how to do this question.
Thanks!

Answer 1

Hi,

Explanation:

As i have done the picture, here is my answer 20 cm : E

Answer 2

E) 20

Explanation:

Well its kinda hard to explain because I need a diagram I can draw on. But I can give you a hint: try to find the lengths of squares that surrounds Y and can be found using the given information. Once you have the lengths, you can use the Pythagorean theorem to find XY.