Because the triangles are congruent we know that NM = ST = 50.
answer: 50
the answer is 58 8.........
Answer:
Twelve-fifths.
Step-by-step explanation:
The diagram is shown below
Given triangle be right angled at
,
Withe reference to
,
Its opposite side is
, adjacent side is
and hypotenuse is 
We are to find the value of 
We know 
Substituting the above values we get,

So the answer is Twelve-fifths.
Check the picture below.
notice is simply a 5x4 rectangle, and surely you know how to get its area.