The circles are identical. What is the circumference of each circle? Circle 1: radius of 2x; Circle 2: diameter of 2x+3. A. 3/2 B. 3 C. 1.5π D. 9π/4 E. 3π F. 6π

C=6π

Step-by-step explanation:

It is given that, two circles are identical. The radius of first circle is 2x and the diameter of other circle is 2x+3.

If identical, it means that the radius of both circles are same i.e.

Radius of both circles is 2(1.5)=3

The circumference of a circle is given by :

So, the circumference of each circle is 6π.

the smaller semi circle can fill in the empty space on the 10cm radius. this makes it easier to work out the answer as you only have to work out one big semicircle. so first to work out the area of the circle is = 3.142 x radius^2

TO Work out the semi circle +

to work out the semi circle= 3.142 x radius^2 and then divide the answer by 2. so 3.142 x 10^2 which is 3.142 x 100 = 314.2 314.2 divide by 2 = 157.1 THE ANSWER IS 157.1