Why does dasetka keep dealteing my question she did it 2 times

I dunno she's a b1t ch

here's some dark humor

only jokes i have are dark humor but here u go

⬇

I bought my blind friend a cheese grater for his birthday.

A week later, he told me it was the most violent book he ever read.

Step-by-step explanation:

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.