Classifying Quadrilateral

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

In the diagram below,abc is congruent to dec what is the value of x