Answer:
$12
Step-by-step explanation:
Before going to B.two-digit addition
Answer: true!
Step-by-step explanation: i do not know but true!
Answer:
The approximate circumference is 62.8 mm
Step-by-step explanation:
Circumference is basically the perimeter of the circle
Circumference is given by

Here the diameter is 20 mm, so the radius will be half of diameter = 10 mm
Substituting the given values, in above equation, we get -
Circumference =
mm
The approximate circumference is 62.8 mm