Sagot :
Answer:
A = πr²
A = 3.14(2)²
A = 3.14 x 4
A = 12.56 cm²
A = πr²
A = 3.14(12)²
A = 3.14 x 144
A = 452.16 cm²
A = πr²
A = 3.14(10)²
A = 3.14 x 100
A = 314 dm²
Step-by-step explanation:
Yan po
Answer:
A = πr²
A = 3.14(2)²
A = 3.14 x 4
A = 12.56 cm²
A = πr²
A = 3.14(12)²
A = 3.14 x 144
A = 452.16 cm²
A = πr²
A = 3.14(10)²
A = 3.14 x 100
A = 314 dm²
Step-by-step explanation:
Yan po