Answer:
3.31
Step-by-step explanation:
0.2(squared) + 1.2=3.4
0.2(squared)=3.4-1.2
0.2(squared)=2.2
x(squared)=2.2/0.2
x(squared)=11
x=square root of 11
x=3.31
(First time answering one question in Brainly.)
