Question

45°
9
X
Find the value of x. Write your answer in simplest form.

Answer 1

9514 1404 393

Answer:

x = (9/2)√2 = 4.5√2

Explanation:

We know the hypotenuse of an isosceles right triangle is √2 times the length of the side:

9 = x·√2

9√2 = 2x . . . . multiply by √2

(9/2)√2 = x . . . divide by 2