Q: Is there a way to make triangles using tangrams?

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Sort of depends on how the two triangles are beforehand. One nice way to make four equilateral triangles from six matchsticks is to make a tetrahedron (a triangular pyramid).

Here is one way: /\ --- /\/\ ----- These are {45Â°, 45Â°, 90Â°} triangles. There are 3 on the bottom row, and 1 on top. Actually, any four identical isosceles triangles would work.

If the triangles are congruent and you match the hypotenera the right way, you can get a rectangle. If the triangles are not congruent, you can't even necessarily get a quadrilateral.

There is more than one way to join two triangles. It would be possile to assemble a parallelogram out of two congruent equilateral triangles.

NO, equilateral ONLY refers to TRIANGLES

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The right way. :)

yes,take 2 big triangles.then,take 2 small triangles and a square. first on the right put a triangle facing like a hill.on the left do it the opposite way then put the square in the middle of the 2 triangles and take the 2 small triangles and put them in the middle 2

Sort of depends on how the two triangles are beforehand. One nice way to make four equilateral triangles from six matchsticks is to make a tetrahedron (a triangular pyramid).

4 triangles make 1 hexagon. (easy way to find out how many triangles there are in a polygon- take number of sides of the polygon, subtract 2 from it, that's your answer!)

If you draw your triangles using the centre of the circle as one vertex and two more on the circumference, the area of the circle is approximately equal to the sum of the areas of the triangles; the smaller you make the triangles, the more accurate your result will be.

First you put both of your big triangles together to form a bigger triangle which is eventually half of the square and then to make the other half you you need to put one of your small triangles in the middle so that the point of it will be touching the point of the bigger triangles you put in be also the side of your small triangle will need to be on the triangle that your havingbe your bottom and then you get your small square and and put it against the other side of the small triangle but also on the big triangle that is going to be the side of the square and then put your other small triangle against the small square but put it upside down so that there will be part of the top and then put your parrellelogram upright by the small triangle that has its point by the big triangles and then last but not least put your last small triangle in the corner to finish the top and side of your square.this is one way you can make a square out of tangrams.but there is seven more not counting this way.

One way is they both are triangles and have 3 sides.

Cut a square from corner to corner each way and you'll have four triangles

Yes, AAA is a way to show that triangles are similar. Note, however, that AAA is not a way to show that triangles are congruent.

Here is one way: /\ --- /\/\ ----- These are {45Â°, 45Â°, 90Â°} triangles. There are 3 on the bottom row, and 1 on top. Actually, any four identical isosceles triangles would work.

People cut sandwiches into triangles to make them look special. There aren't many things you can do with a sandwich to make it look festive. You can cut off the crusts or cut shapes out of it with a cookie cutter, but that wastes part of the sandwich. Cutting it into triangles is a quick and easy way to 'fancy up' a plain sandwich.

No. Equilateral triangles have 60o angles. There is no way to build a right-angle triangle with sides of equal length.