2 Oblicz podane wyrażenia. a) Zamien liczby na ulamki zwykle (pamiętaj o skracaniu).
0,5 + 2/3
1,8 - 1 2/3
2 1/4: 0,3

b) Zapisz liczby w postaci dziesiętnej
4.25 + 1 3/4
6,5 - 3. 1/2
3,6 3/5
2 1/4: 0,3​

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.

you have to put the graph on here with the question

step-by-step explanation:

step-by-step explanation:

there's the chart