Question

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Answer 1

I think RU=US, so RS=2*RU=2*12=24

Answer 2

ur question is incomplete dear
if U,V,W are the mid-points

Answer 3

RU =US and RS=2RU=2*12=24

Answer 4

RW=WT
or 3y=15.9
or y=5.3

Answer 5

again SV=VT or 2x=11 hence x=11/2

Answer 6

by mid point theorem UW =1/2 of ST=1/2 *(2x+2x)=2x
hence UW=11

Answer 7

similarly UV=1/2 of RT=RW=15.9

Answer 8

thank you so much!

Answer 9

welcome dear