-0.3 is the. correct answer.
I got 6 units^2. So the answer is the second choice. ab/2 = 3*4/2 = 6.
Answer:
b
Step-by-step explanation:
1,000,000 is the answer (it would be rounded up since its a 6 in the ten thousands place)
Answer:
Part 1) The perimeter is 
Part 2) The area is 
Step-by-step explanation:
Part 1) Find the perimeter
we know that
The perimeter is equal to the circumference of the exterior circle plus the circumference of the interior circle
so


Part 2) Find the area
we know that
The area of the figure is equal to the area of the larger circle minus the area of the smaller circle
so


