Respuesta :
Answer:
A=50.24 mm²
Step-by-step explanation:
A=3.14×4²
A=3.14×16
A=50.24 mm²
Answer: 50.24
Explanation:
Formula is: A = (pi r squared)
So you multiply 16 times 3.14
Explanation:
Formula is: A = (pi r squared)
So you multiply 16 times 3.14