Ashely is studying circle O, shown below.She wrote the steps below.Step 1: θ/2pi= s/2pirStep 2: θ(2pir)/2piStep 3: s= θrwhat did Ashley derive?A. that all circles are similarB. that a central angle has the same measure as the arc it subtendsC. the formula for arc lengthD. the formula for the area of a sector of a circle