In △DEF, ∠D is congruent to ∠E, as shown in the figure. The perimeter of △DEF is 90 inches.

Which is the length of DE?

It is 46 inches

Step-by-step explanation:

I just redid it so many times that eventually i got the answer

the answer is b

step-by-step explanation:

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies