Question

Помогите решить пожалуйста!

Answer 1

I hope this helps you

Answer 2

А почему стороны в первой задаче по 5 см?

Answer 3

it's 45-45-90 triangle

Answer 4

isosceles perpendicular triangle

Answer 5

in this triangles sides two legs are same and hypothenus is multiple sqrt 2 these legs