I really need help with this so pls help me

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?