Ron is tiling a countertop. he needs to place 54 square tiles on each of 8 rows to cover the counter. he wants to randomly place 8 groups of 4 blue tiles each and have the rest of the tiles be white. how many white tiles wwill ron need ?

Me i've asked this question 3 time asapright triangle abc and its image, triangle a'b'c' are shown below. algebraically prove that a clockwise and counterclockwise rotation of 180o about the origin for triangle abc are equivalent rotations.