What must be true about angle 7 and angle 3 for the lines to be parallel? name the postulate or therom?

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

10 points? me . its important ‼️‼️