Why do you suppose that the art of Piero Della Francesca stimulated modern cubism? A. Modern Cubism embraces the deconstruction of the figure, and Francesca did not like the human figure. B. His use of shape was so perfect, that the cubists thought they'd mess it up. C. His geometric unity inspired others to use math as a basis for painting.
D. All of the above.

coordinates of r(b,c)

slope of nm is 0.

step-by-step explanation:

the midpoint of the line joining the points (x₁,y₁) and (x₂,y₂) is given by

the midpoint of the line segment nk is given by

∴r(b,c)

the slope of the line joining the points (x₁,y₁) and (x₂,y₂) is given by

slope of rs is

hence

coordinates of r(b,c)

and slope of nm is 0.

answer impressionism;

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