Question

If R-S-T and l(ST)=3.7 l(RS)=2.5, then l(RT)=?

Answer 1

the answer is 6.2

firstly draw a line and mark point R.S.T.

then RS=2.5. ST=3.7

ADD BOTH OF 2

SO THE ANSWER IS 6.2

Answer 2

l (R,T)= l (S,T)+ l (R,S) = l(R,T) = 3.7 + 2.5 = 6.2

so, l of (R,T) is 6.2