What is the circumference of the given in terms of pi? a.30 b.45 c.15 d.225

The formula for the circumference of a circle 'pi x diameter' so you need to multiply the radius shown on the circle by 2 so 15 x 2 = 30 and then you multiply this by pi using the formula: pi x 30 = 94.25 to 2 decimal places. This is the final answer. The pi symbol is π can be found on an advanced calculator :) .

3pi r 2 603.43 is the answer