Given that abcd is a rhombus prove ac bisects BCD 80 points please answer

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

Aquality characteristic of new iphone x made at the amsterdam plant at apple computers has a manufacturing specification (in mm) of 0.200 +/- .07. historical data indicates that if the quality characteristic takes on values greater than 0.27 or smaller than 0.13 the component fails at a cost of20.19. based on these data: determine the taguchi loss function (must show work) calculate an estimated loss for a quality characteristic of .30 calculate an estimated loss for quality characteristic of .40.

What is the solution set for z+10=z-2