Answer:
Increase in area of circle is 
square mm
Step-by-step explanation:
The actual question is
Find the approximate increase in its area if the radius increases from 20 mm to 22 mm.
Solution
The area of a circle of radius r is given by
Area of circle of radius 20 mm is
square mm
Area of circle of radius 22 mm is
square mm
Increase in area of circle
square mm
Answer: Janelle rode the bus to the bus stop, talked with a friend, and then walked home,
Step-by-step explanation: I literally just put it and it’s correct
Answer:
its 4
Step-by-step explanation:
Because since the next number is 8 and its above 5 then a number above 9 is something you cannot put in so you just round the whole number since the rest of the numbers are also 9.
