DEFINITION
What do you called to the purely mental concepts or ideas?
Undefined terms
Illustration of Right Angle
Exactly 90 degrees
We have exactly 90 degree
Right Angles
Name the transversal
line r
Two or more lines are intersecting if they have a common point.
Intersecting Lines
Illustration of Coplanar Points
(SUSUNOD NA POINTS) or (INLINE NA POINTS)
Angles with 168 degrees
Obtuse Angle
Name the 4 interior angles
Angle 5,7,8,6
It is a subset of a line but has one endpoint, and extends in one direction.
Ray
Illustration of line in real life
(Object)
An angle bisector divides an angle into _________.
Two congruent angles.
2 pairs of alternate exterior angles
Angle 1 & 2, 3 & 4
Line intersecting two or more coplanar lines at different points.
Transversal
Illustration of Transversal
Intersect 2 or more lines
Supplementary angles are 2 angles who measures have a sum of ____
180 degrees
2 pairs of alternate interior angles
Angle 5 & 6, 7 & 8
Interior angles on the same-side of transversal.
Same-side Interior Angles
Illustration of Alternate Exterior Angles
diagonals ng exteriors
63 degree + 27 degrees, what kind of angle?
Complementary angle
4 pairs of corresponding angles
Angle 1 & 8, 3 & 6, 5 & 4, 7 & 2