Which sentence uses the past participle of make

A. A sparrow is making a nest in the fern on the porch.

B. A sparrow makes a nest in the fern on the porch.

C. A sparrow will make a nest in the fern on the porch.

D. A sparrow has made a nest in the fern on the porch.

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units