Question

Find the value of RS

Answer 1

Answer:

$RS~\times~RT=RQ^2$

$x(x+40)=45^2$

$x^2+40x-45^2=0$

$x=\frac{-40+-\sqrt{(40)^2+4\times45^2} }{2}$

$=\frac{-40+-\sqrt{9700} }{2}$

$x=29.2$

---------------------------

hope it helps..

have a great day!!