Can anyone help with parallel lines :,)

Can someone me with my hwplz(only the circled ones)

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles