Welcome to Westonci.ca, your ultimate destination for finding answers to a wide range of questions from experts. Ask your questions and receive accurate answers from professionals with extensive experience in various fields on our platform. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

Please help me on this problem !

Please Help Me On This Problem class=

Sagot :

Answer:

9

Step-by-step explanation:

it's an isosceles right ∆.

so (9√2)^2 = 81*2= 162 = 2s^2

let x=y=s

s^2 = 81

s = 9