Verified Answer :

piradii2

use similarity property:

14 / (14+6) = 21 / (21 + (x+4))

14/20 = 21/(x+25)       cross multiplication property

14(x+25) = 2021

14x + 350 = 420

14x = 70

x = 70/14 = 5.


due to similarity of triangles TVW and TSU:

TV/TS=TW/TU
14/20=21/(x+4)
from this equation we get x=26

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