|
|
Go Geometry - Recent Additions
(Page 36 of 50)
|
|
 |
|
|
 |
|
|
 |
Proposed Problem
96. Similar Triangles, Incenters, Parallelogram. |
|
 |
Proposed Problem
95. Similar Triangles, Inradii,
Parallel. |
|
 |
Proposed Problem
94. Similar Triangles, Circumcircles,
Circumradii. |
|
 |
Proposed Problem
93. Similar Triangles, Circumcircles, Parallelogram. |
|
 |
Proposed Problem
92. Similar Triangles, Circumcircles, Circumradii, Parallel. |
|
 |
Proposed Problem
91. Similar Triangles, Altitude, Parallel. |
|
 |
Gergonne's Theorem: Triangle and Concurrent Cevians. |
|
 |
Proposed Problem
90. Quadrilateral and Triangle
Areas, Midpoints. |
|
 |
Proposed Problem
89. Triangles of equal area, Midpoints. |
|
 |
Proposed Problem
88. Triangle and Quadrilateral Areas, Midpoints. |
|
 |
Proposed Problem
87. Area of Quadrilaterals and Midpoints of Diagonals. |
|
 |
Wayanay Inca:
Suenos del
Inca,
Pastorcita,
Bamboo,
Dulce Jazmine,
Regresa Amor
Yawar Inka:
Mensaje
Inka,
Aysha. |
|
 |
Puzzle: Metamorphosis III
Puzzle cut: 20 Piece Birds
Based on Metamorphosis III |
|
 |
Intouch and Extouch Triangles.
Puzzle cut: 20 Piece Classic
Based on Proposed Problem 86. |
|
 |
Proposed Problem
86. Intouch and Extouch Triangles, Areas. |
|
 |
Puzzle:
Marion Walter's theorem. Puzzle cut: 12 Piece ZigZag
Based on
Marion Walter's theorem |
|
 |
Taylor Circle Theorem Using TracenPoche Dynamic Software
Step-by-Step construction, Manipulation, and animation.
Henry Martyn Taylor and the blind student of mathematics  |
|
 |
Contact Triangles. Puzzle cut: 22 Piece Polygons
Based on Proposed Problem 85. |
|
 |
Proposed Problem
85. Contact Triangles Areas, Incircle, Excircle. |
|
 |
Proposed Problem
84. Contact Triangles Areas, Incircle, Excircle, Inradius, Exradius. |
|
 |
Proposed Problem
83. Area of the Excircle Contact
Triangle, exradius, circumradius. |
|
 |
History of the Incas
1 - Inca Trail,
2,
3,
4,
5,
6. |
|
 |
Proposed Problem
82. Area of the Contact
Triangle,
inradius, circumradius. |
|
 |
Proposed Problem
81. Area of a triangle,
side, inradius, circumradius. |
|
 |
Proposed Problem
80. Area of a triangle,
side, incircle, inradius. |
|
 |
Alpamayo
Peak.
Almost perfect pyramid of ice. Elevation 19,511 ft (5,947 meters). |
|
 |
Proposed Problem
79: Triangle.
Similarity, Altitudes, Orthocenter, Incircles, Inradii. |
|
 |
Thank God it’s Pi Day: Next
Friday is a rather special date. The month (3) and the day (14) give us
3.14
which is pi to two decimal places. That’s enough for teachers
around the world to mark it as International Pi Day.
Video: Pi Day made
by a 7th grade math teacher for students in Louisville, KY. |
|
 |
Proposed Problem
1: Angles of a Triangle.
Midpoint, Congruence. Hints are provided. |
|
 |
Proposed Problem
13: Angles of a Triangle. Hints
are provided. |
|
 |
Computers can use geometry to predict pretty faces
The Renaissance artists’ formula for beauty. |
|
 |
Proposed Problem
78: Angles of a Circle.
Perpendicular and parallel
lines, Midpoint, Diameter, Chord, Cyclic quadrilateral, Congruence.
|
|
K-12 Teaching and Learning from the
University of North Carolina at Chapel Hill School of Education.
March 2008. |
GoGeometry has been
cataloged in the
Best
of the Web collection by LEARN NC.
LEARN NC's Best of the Web collection provides a searchable,
annotated catalog of top-quality educational websites, all tied to the
North Carolina Standard Course of Study.
LEARN NORTH CAROLINA, a program of the University of North Carolina at
Chapel Hill School of Education, is a statewide network of educators
using the power of the Internet to improve K–12 education in North
Carolina
|
|
 |
Proposed Problem
77: Angles of a Circle. Parallel
lines, Cyclic quadrilateral.
|
|
Go to Page: Previous | 1 |
2 |
3
| 4 |
5 |
6 | 7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 |
40 |
41 |
42 |
43 |
44 |
45 |
46 |
47 |
48 |
49 |
50 |
Next
|
