How do you know that 30 is __1
10 of 300?

Show your work.

See explanation

Step-by-step explanation:

So what you would need to do is take 300/10

300/10 which is 1/10 of 300, would be 30

You can also check your work by doing 30 x 10

This equals 300, so its correct.

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.

the olimpics is not going to wokk out

step-by-step explanation: