TI-84 Plus Cabrië Jr. Application Page 13
Drawing the Circumscribed Circle
1. Open the F2 menu and then select Circle.
2. Move the pointer to where the three lines intersect. Two of
three lines blink, indicating that a point will be drawn at their
intersection.
3. Press Í, to draw the center point of the circle.
4. Move the pointer to one of the vertices of the triangle and then
press Í to select the vertex point and draw the circle.
Tip The vertex point blinks when the pointer is close enough to it for
you to select it.
Notice that the two
triangle are located
on the circle.