Pretty sure it’s b
Because it’s by 2 at first then it’s by 125
4600
Because the zeros aren’t significant unless they’re after a decimal point, but other numbers are significant.
Radius = 5 cm
circumference = 2*PI*radius
circumference = 31.4159 cm
The circumference is of the entire circle.
60 degrees is 1/6 of the circle so the subtended arc =
<span>
<span>
<span>
5.235983 cm
</span></span></span>