can someone plz help me? i need to find the area of a 9mm circle and round my answer to the nearest tenth. thank you!

Area of the circle = [tex]\pi r^2[/tex]
Area = 22/7 × 9 × 9 = 3.141 × 81 = 254.421 [tex]mm^2 [/tex]
[tex]Thus \ area = 254.4 mm^2[/tex]
Look at the attached picture
Hope it will help you..
Good luck on your assignment
~prâgyå