See image attached.

Answer:
x=8
Step-by-step explanation:
smaller base(a)=x+1
larger base(b)=3x-11
Height(h)=10
now,
area =110sq.cm
or, 1/2*(a+b)*h=110
or, 1/2*(x+1+3x-11)*10=110
or, 1/2*(4x-10)*10=110
or, 20x-50=110
or, 20x=110+50
or, 20x=160
or, x=160/20
•°• x=8
Please mark me brainleist..!!