You are choosing 4 of your 7 trophies and arranging them in a row on a shelf. In how many different ways can you choose and arrange the trophies?
A. 5040
B. 28
C. 840
O D. 24

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy