9514 1404 393
Answer:
55.39 square units
Step-by-step explanation:
The formula for the area of a circle is ...
A = πr²
Put the given numbers in place of the corresponding variables and do the arithmetic.
A = 3.14 × 4.2² = 3.14 × 17.64 = 55.3896
Rounded to hundredths, the area is ...
55.39 square units
