Which two ratios form a proportion 5/6 & 4/5
6/5 & 4/5
12/15 & 5/4
15/12 & 5/4

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

what is the answer to this

step-by-step explanation: