Amazing Altitudes, Magnificent Medians, Perfect
Perpendicular Bisectors and Astonishing Angle Bisectors!
Graph the points A(0,1) B(8,1) and C(1,6).
Place a rubber band between the points ( 1,6 ) and (
Warm-up 18
Geometry
1.
Find the distance and midpoint of ( 3,4 ) ( -10, 4 )
2.
What is the difference between a linear pair and adjacent angles?
3.
Are all alternate interior angles acute? Explain
67
Warm-up 16
Geometry
1.
Find the area and perimeter:
23
28
2.
What type of angles are a and b?
a
b
3.
Find the midpoint between the points ( 12 , -8 ) and ( 15, -5 )
2x + 10
x+5
4.
Find each angle:
5.
Triangle Inequalities
1.
Draw any non-right, non-isosceles triangle.
2.
Measure the sides in centimeters
3.
Measure the angles
4.
Fill in your chart below with your results and the results of three ot
Kuta Software - Infinite Geometry
Name_
The Triangle Inequality Theorem
Date_ Period_
State if the three numbers can be the measures of the sides of a triangle.
1) 7, 5, 4
2) 3, 6, 2
3) 5, 2, 4
4) 8,
Parallel lines cut by a transversal
1. Go to Edit on the top menu bar and highlight preferences, and then go to text and click
on the first 2 boxes. Now your drawings will be labeled.
2. Create a line
Kuta Software - Infinite Geometry
Name_
Isosceles and Equilateral Triangles
Date_ Period_
Find the value of x.
1)
2)
7
x
x
6
3)
4)
6
x
4
5)
x
6)
40
x
x
7)
75
8)
x
75
x
54
9)
10)
65
x
28
x
R c2f0W1X05
What type of triangle is it?
B
C
A
Name the legs:
Name the vertex angle:
Name the base angles:
Name the base:
If one of the base angles was 20 degrees
what would the other two angles have to be?
If th
Isosceles Triangle on Sketchpad
1.
Make a circle. Create a triangle inside the circle. An example is
provided below.
2.
Highlight the circle only and go to display and hide the circle.
3.
Measure all
Exterior angles of a triangle on Sketchpad
1.
Create a triangle where the sides are extended to make
exterior angles in the triangle. An example is provided below.
2.
Label and measure a set of an ext
Creating angles using Sketchpad
1.
In the edit menu choose Preferences submenu and set the Angle Units to
degrees with a precision of tenths.
2.
Use the Segment Tool to draw ray AB ( make sure you lab
Classifying Triangles on sketchpad
Directions: Create each of the following triangles. Show the
measurements of each side and each angle to show its
classification. Below are the classifications of tr
Warm-up 20
Geometry
1.
What are all the possible lengths of the 3rd side of a triangle given
the lengths 10 and 14?
2x - 12
4x -20
2. Find x
3.
Alternate exterior angles are _ acute.
( Fill in the bla