Question

what is the length in each triangle below? can someone help me and guide me?

Answer 1

1. Notice that the triangle's got a right-angle.
2. Notice that the triangle is isosceles.
3. Notice that the two shorter sides are equal.
4. Notice that the Pythagorean Theorem can be applied here.
5. Set an equation.
6. Solve it.

Answer 2

an equation? using paythagoreon theorem with the degrees?

Answer 3

x^2+x^2=32^2

Answer 4

well, theres also the isoscels right triangle theroem that states this