40×4×4=640
b=20 h=4
using formula:
1/2×base×height
1/2×20×4=40
its says scale by factor 4:
b=80 h=16
using formula:
1/2×base×height
1/2×80×16=640
answer------>>>>640cm^2
Answer:
C is the answer n is the current amount your just taking way 15
hope this helps
have a good day :)
Step-by-step explanation:
A.0 I don't actually know