Use the form (bx-c)+ d to find the amplitude , period shift, phase, and vertical shift. amplitude:2 period:12.56637061 phase shift : 0(0to the right ) vertical shift:0 hope it helps! please give me brainlest if its right . thank.
Step-by-step explanation: The diameter is 4 cm which means the radius is 2 cm. Diameter divided by two will give you the radius. The formulae for circumference is 2 π⋅r. So the circumference would be 4π
