Answer:
7
Step-by-step explanation:
take the perimeter of what you have now (14) and divide it by 2, because it is dilated by 1/2
the simplified form is 3/5
2.072/5.6= 0.37
77.2- 43.778= 33.422
Hope this helps!
~LENA~
V≈471.24
or to the nearest tenth is
471.2