An inscribed angle is an angle formed by two line segments in a circle that intersect on the circle. The line segments must touch the circle at two points The angle must be on the circle itself.
GIH is not inscribed because I is in the center of the circle not on the circle
GJK is an inscribed angle GJ and JK touch the circle at two point and are inside the circle.
The user above mine gave the explanation, I added this answer, so when other people see this question, and they see that 2 people put the same answer, they can trust it. Give the other user brainliest!