Question

Find y. Give your answer in

the simplest form.

y =

Enter the number that belongs in the green box.

Answer 1

y=8√2

Explanation:

Because 2 of the angles are the same, the triangle is isosceles (because of base angles theorem). Therefore, x=8. Using Pythagoras theorem, y=8√2.

Answer 2

y = 8 root 2

Explanation:

Since it is a 90-45-45 triangle, y is s root 2

s = 8

so, y = 8 root 2