Answers

2016-03-09T17:52:51+05:30
in PQRS T is any point on the line T and U is any point on the line SR 
so,
QU * SR = ST * QR
QU *4 = 8 * 4 
QU * 4 = 32 
QU = 32/4
QU = 8cm 

i hope it helps.......... 
1 3 1