Answer:
7.41, 7.6, 745
Step-by-step explanation:
The answer would be the second choice. 4:5
Answer:
Area = 4π
Step-by-step explanation:
4π
divide the 4 by 2 because circumference=2π
the area of a circle is πr²
multiply the 2 with itself π2²
area = 4π
i believe.