Answer:
g=8 and f=6
Step-by-step explanation:
Area of ABCD=f×g
or,48=fg
or,48/g=f.........(i)
we have,
AD=BC=f
Now,
Area of ABCD+Area of ADE=Area of ABCE
f×g+1/2×DE×AD=60
or,48/g×g+1/2×4×f=60
or,48+2f=60
or,2f=12
therefore,
f=6
And,
48/g=6
or,48=6g
therefore,
g=8
