Step-by-step explanation:
Length of arc of a circle is given as:

Thus, the measure of central angle is 140°.
Answer:
148
Step-by-step explanation:
Answer:
24
Step-by-step explanation:
6+2×3+4+(27-19)
first the bracket, (27 -19) = 8
and then the multiplication, 2×3 = 6
then the addition, 6+6+4+8 = 24