1. Α = πγ2
A= 3.14 x 9+2
= 3.14 x 4.5 x 4.5___________m²?
2. Α = πγ2
A= 3.14 x 15 x 15____________cm²?
3. Α = πY2
A= 3.14 x 6.25 = 2
= 3.14 x 3.125 x 3.125
____________m²?
4. Α = πγ2
A= 3.14 x 17 + 2
= 3.14 x 8.5 X 8.5
__________cm²
5. A = tr2
A=3.14 x 14 x 14
_________mm²?
