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:
7
/4
Step-by-step explanation:
Simplify the expression.
Exact Form: 7
/4
Decimal Form:
1.75
Mixed Number Form:
1 3
/4
Answer:
the polygon on the right side is doubled the size of the one on the left, therefore x=11
Answer:
31 i think
155.3 divided by 5 is equal to 31
Answer:
22 dollars
Step-by-step explanation:
38 - 16 = 22
if they cost 38 subtract the amount you borrowed(16) and you get what you started with(22)
