Basic Geometric Concepts: In the image point A is the center of the circle. Which two line segments must be equal in length?

he answer

the true answer is  

EF¯¯¯¯¯ and HI¯¯¯¯

proof

the line EF passes on A, and so does the line HI. both line are called diameter of the circle, that means

EF = HI

Step-by-step explanation:

the slope of the first function is -3. (3/1)

the slope of the second function is 1. (13-10/6-3).

since |-3| is greater than |1|, the function with the steepest slope is the first.

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