1' Draw vertical angles BOY and DOG' 2'Sketch one of each: convex polygon concave polygon 3'Name thi

1

• 1. Draw vertical angles BOY and DOG.2. Sketch
  one of each -convex polygon -concave
  polygon3. Name this polygon4. This is a
  regularpolygon and mEG6cm.What is its
  perimeter?

5. Definea. acute angleb. obtuse angle
F
C
H
D
G
E
2
Right triangle

• -a triangle that has a 90 angle

3
acute triangle

• -triangle that has 3 acute angles (all less
  than 90)

60
60
60
4
obtuse triangle

• -triangle that has one angle
  greater than 90

100
40
40
5
Every triangle is either right, acute, or obtuse!

6
scalene triangle

• -a triangle that has no congruent side
  measures

13
5
10
7
isosceles triangle

• -triangle that has at least 2 congruent side
  measures

17
17
9
8
Every triangle is scalene or isosceles.
9
isosceles triangle

• vertex angle - angle between two congruent sides

17
17
9
10
isosceles triangle

• base - side opposite vertex angle

vertex ?
17
17
base
11
isosceles triangle

• base angles - angles opposite two congruent
  sides

vertex ?
base ?s
17
17
base
12
Draw the following

• right, isosceles triangle

13
Draw the following

• right, isosceles triangle

14
Draw the following

• right, scalene triangle

15
Draw the following

• right, scalene triangle

13
5
12
16
Draw the following

• acute, scalene triangle

17
Draw the following

• acute, scalene triangle

18
Draw the following

• obtuse, isosceles triangle

19
Draw the following

• obtuse, isosceles triangle

20
median of a triangle

• -segment from vertex to midpoint of opposite
  side

21
altitude of a triangle

• -segment from vertex that hits opposite
  side (or extension of opposite side) at a
  right angle

22
altitude of a triangle

• altitude

23
altitude of a triangle

• altitude

24
Name the triangle part the arrow is pointing to..

• altitude

25
Name the triangle part the arrow is pointing to..

• median

26
Name the triangle part the arrow is pointing to..

• vertex ?

27
Name the triangle part the arrow is pointing to..

• base

28
Name the triangle part the arrow is pointing to..

• base ?s