Triangle lmn is similar to triangle pqr. which of the following sets of side lengths could be those of triangle lmn.
pqr- 3cm, 4cm, and 5cm.

a) 8in, 15in, 17 in
b) 9in, 12in, 15in
c) 6in, 7in, 8in
d) 2in, 3in, 4in

The answer is B

9in, 12in, 15in
 Because similar means that their components are factors of each other.

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post