Answer:
Step-by-step explanation:
Formula:






Working:
So,
=
=
The original length of a side was 13m
I got this by
taking 3m and * it by 4 because thats how many sides there are then
I got 12 so I subtracted 12 from 64 i got 52
so i divided the 52 by 4
which is
13
Answer:
50 to 15 min 30 sec
15 min 30 sec is actually 930 seconds
3600 sec in hour
-- not finished, working on it
Step-by-step explanation: