Angles
Triangles
Definitions
Work it out
100
What kind of angle is less than 90o
Acute
100
What do all triangles have in common?
They all have 3 sides and 3 angles
100
Has no dimensions
Located by ordered pairs (x,y)
Identified with a capital letter
point
100
Name this angle
<PQR
<RQP
<Q
200
What kind of angle is more than 90o
Obtuse
200
What kind of triangle has all 3 equal sides and 3 equal angles
An equilateral triangle
200
Two dimensional
Flat/level surface
Identified with a capital italicized letter
Plane
200
What kind of bisector is this?
An angle bisector
300
What is the sum of all the angles in a triangle?
180o
300
What kind of triangle has two equal sides?
Isosceles triangle
300
Objects that are on the same plane are called
coplanar
300
Find the midpoint of the two points (1,8) (7,12)
(4,10)
400
What is 360o?
A circle
400
24
400
When two planes intersect it creates a
line
400
<CAB is 1100 and <CAD is 300. What is <DAB? 
80o
500
What does a bisecting angle do?
Cut an angle in half
500
If a triangle has one 900 angle and the other two angles are equal, what are the other two angles?
450 each
500
A statement that is accepted without proof
Postulate
500
Which lines are congruent ?
DE & GF
DG & EF