Calculate the side lengths a and b to two decimal places. с
b
a
1070
50°
B
8
A. a = 15.68 and b = 19.58
B. a = 16 and b = 17
C. a = 14.71 and b= 17.56
D. a = 6.23 and b = 4.45

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