Answer:
3
Step-by-step explanation:
30
if 3 equals π and d equals 10, then you would multipy both to get the circumference, 30.
As mentioned ABCD is a square
So <DEC is always 90 degree
use area to help solve
5m^2 + 15m
use distributive property:
5m(m) is 5m^2
5m(3) is 15m
which is 5m^2 + 15m