A closed umbrella casts a shadow when the sun shines at a 16 degree angle to the ground. If the umbrella is 5 ft tall, how long is the shadow to the nearest foot?

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