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Because there are 540 interior degrees in a five sided figure and the total sum of three triangles is 540 degrees
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∙ 13y ago
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What figure is made of triangles quadrilaterals and other two dimensional figures?
They are called polygons
What is the name of a quadrilateral made from two identical isosceles triangles?
In general, a parallelogram. But if the triangles are joined along their odd side, a rhombus.
What is an icosohedron?
a geometric shape made up of 20 triangles. :)
What are Multiple triangles?
A triangle that can be made in more than one way
What 3D figure has eight triangles?
An octagonal pyramid has eight triangles on an octagonal base. An octahedron can also be made by putting a square pyramid on another inverted square pyramid. This shape has just eight triangles and no others.
Can all 5 sided figures be made from 3 triangles?
Yes
Can all four sided figures be made from two triangles?
yes
Can all five sided figures be made from 3-triangles?
Yes
Can all 5 sided figures be made from 3 triangles and why?
Yes because there are 540 degrees in a pentagon and 180 degrees in a triangle so 540/180 = 3 triangles.
Can all 5 sided figures be made form 3 triangles?
Yes because 3*180 are the interior degrees of a pentagon.
Can all 4 sided figures be made from 2 triangles why?
Yes. You can always draw a "diagonal" line between opposite corners of any four-sided figure. Then, cutting along that line, you wind up with two triangles out of which the figure could have been made.
Why is it that all four sided figures be made from two triangles?
You can always find opposite corners that can be connected with a line which divides the quadrilateral into two trilaterals.
What is a figure made of triangles quadrilaterals and two three dimensional figures called?
It is a three dimensional figure of some sort.
How many triangles does a hexadecagon?
A 16 sided polygon is made from 14 triangles
Why can all five sides figures be made from three triangles?
Because the sum of the sides of three triangles is nine... Placing three triangles together so they all touch effectively removes four of the total number of sides - leaving five.
How many triangles does a dodecon have?
A dodecagon is a 12 sided shape made from 10 triangles
What kind of four sided figure is made using two equilateral triangles?
Rohmbus is a four sided figure (quadrilateral) that is made up of two equilateral triangles
