What is the approximate circumference of a semicircle with a radius of 6 centimeters? 18.8 centimeters 37.7 centimeters 75.4 centimeters 150.7 centimeters

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )