TOPICS
This page:
triangles/polygons
Search
Dr. Math
See also the
Dr. Math FAQ:
geometric formulas
and
naming polygons
and polyhedra
and
Pythagorean theorem
Internet Library:
triangles/polygons
ELEMENTARY
Arithmetic
addition
subtraction
multiplication
division
fractions/decimals
Definitions
Geometry
2dimensional
circles
triangles/polygons
3D and higher
polyhedra
Golden Ratio/
Fibonacci Sequence
History/Biography
Measurement
calendars/
dates/time
temperature
terms/units
Number Sense/
About Numbers
infinity
large numbers
place value
prime numbers
square roots
Projects
Puzzles
Word Problems

Browse Elementary Triangles and Other Polygons
Stars indicate particularly interesting answers or
good places to begin browsing.
 Quadrilaterals [8/31/1995]

What is 4sided and has no equal angles?
 Rectangles and Areas [09/30/1998]

How do you find the area of a square or rectangle? What if the shape
looks like several rectangles put together?
 Regular Decagon [03/25/2002]

Can you show me a picture of a regular decagon?
 Teaching Area of Triangles [9/15/1996]

When I gave a Unit Assessment, all but one student got area of a triangle
wrong. Where did I fail?
 Triangles with Specific Lengths and Angles [3/24/1996]

My base is 32 inches and my angle can not exceed 35 degrees. How long
will my sides be and what is the inside angle?
 Types of Triangles [02/24/2003]

What is the the difference between equilateral, isosceles, and
scalene triangles? How can I remember which name goes with which
triangle?
 Using a Parallelogram to find the Area of a Triangle [06/26/2001]

What is the area of a triangle with a height of 12 inches and a base of 3
inches?
 Using a Protractor [06/28/1998]

How do you construct two parallel lines and intersect them making a
65degree angle?
 What is a Vertex? [12/06/2001]

And what does vertices mean?
 What is Circumference? [06/25/2001]

My friend told me it's somewhat like the measurement of the outside of a
circle, but I don't understand that.
 What is Length in a Rectangle? [05/31/1999]

Is the length of a rectangle the longest side, whether vertical or
horizontal?
 What is the Largest Sided Polygon? [4/12/1995]

What is the largest sided polygon?
 What is the Plural of Rhombus? [4/7/1995]

Hi! Say, what exactly is the plural of "rhombus?" We aren't sure if it is
"rhombi" or "rhombuses".
Page: [<prev]
1
2
