A 30-inch chord in a circle is 8 inches from the center of the circle, as shown in the following figure. Vhat is the length, in inches, of the radius of the circle

17 inches

Step-by-step explanation:

See the attached image.  Connect the center of the circle to one endpoint of the chord.  That forms a right triangle because the radius is drawn perpendicular to the chord -- that's how the distance from center to chord is measured.

The radius splits the chord into two equal parts, each 15 inches long.

The right triangle has legs 8 and 15, so use the Pythagorean Theorem.

it has the same slope and a different y-intercept

hope this : )

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i ran through it by the other answer is wrong