66 ft squared. 
Hope this helps you:)
        
             
        
        
        
There are parrelell line and congruent line in the part to get the answer u must figure ot the angles in each one.6 to 2=12 that the answer for number 1.i might dont have it right.people say im dum.at least i try.
        
             
        
        
        
The formula is pi times the radius squared
        
                    
             
        
        
        
Look at the underlined number, the placement will be written on the side of each.
.<u>0</u>052  this 0 is in the tenths place
.0<u>0</u>52  this 0 is in the hundredths place
.00<u>5</u>2  the 5 is in the thousandths place
.005<u>2</u>  the 2 is in the ten thousandths place
Hope this helps you. :)