: [ A = 2(ab + bc + ac) ]
8ft
20ft
15ft
12ft
8ft
8ft
To find the value of A, we need to substitute the given values of a, b, and c into the equation.
Given:
a = 4ft
b = 3ft
c = 2ft
A = 2(ab + bc + ac)
A = 2(4*3 + 3*2 + 4*2)
A = 2(12 + 6 + 8)
A = 2(26)
A = 52
Therefore, the value of A is 52.