L=R*angle, but the angle *must* be in radians. So, just translate 43 degrees into radians: 43 * pi / 180, and you'll get:
L = 42 * ( 43 * pi / 180 ) ~ 31.504666, which rounded to the nearest hundredth is 31.50 cm.
Answer: a= -3
Step-by-step explanation:
a+3=-2
a=-3
Answer: A) 60°
The inscribed angle is half the measure of the arc.