Points, Lines, Planes
How can we see segment addition in real life?
Up to Ms. Watson
Draw Ray DE.
*------*-->
D E
What two points define the beginning and end of a line segment?
endpoints
How do we show that two angles are congruent to one another? Draw this.
Draw the same amount of arcs near the vertex.
Draw the following:
∠ABC ≅ ∠DEF
SEE WHITEBOARD
Sketch the following lines:
↔ ↔
AB ⟂ XY
see chalkboard
Points S, T, and P lie on a number line in that order. Their coordinates are 0, 1, and x, respectively. Given that ST is congruent to TP, what is the value of x?
2