Step-by-step explanation:
0.00047. = 47÷10 000
=4.7×10/10^-5
= 4.7×10^-4
Answer:
=9:4
The relationship between area and side of triangle is
= (S1/S2)^2= (A1/A2)
=(3/2)^2=(A1/A2)
=9/4=(A1/A2)
=A1:A2=9:4