Ais a line segment whose ends lie on a circle's circumference. a. chord b. secant c. radius d. tangent

A chord.
This is because a chord is a line segment that is within the circle
A secant goes continuously (not a line segment) but is similar to a chord
Radius is the length from the middle of a circle to the perimeter. 1 end is in the center one is on the circumference ( question says "ends" as in both ends)
Tangent is a line outside of the circle that is perpendicular to a line inna circle

It's like discovering the answer to a puzzle. the purpose in solving an equation is to find the value or values of the variable that makes it a true statement. any value of the variable that makes the equation true is called a solution to the equation.

Is it multiple choice