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# Can two congruent equilateral triangles can be joined to make a rhombus?

Updated: 4/28/2022

Wiki User

12y ago

no it makes a square.

Wiki User

12y ago

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Q: Can two congruent equilateral triangles can be joined to make a rhombus?
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### Name the type of special quadrilateral that will appear when you join two congruent equilateral triangles?

There are two types of quadrilaterals that are formed when two congruent equilateral triangles are joined. These shapes are rhombus and parallelogram.

### Can any two triangles be joined to make a rhombus?

No. A rhombus has all four sides of equal length. To split a rhombus into only 2 triangles, it must be split along a diagonal; which means that 2 of the sides of one of the triangles must be the same length as the sides of the rhombus, which being equal mean the triangles must be (at least) isosceles - scalene triangles will not work. Further, as the diagonal will be a common length to each of the triangles (the length of their third sides), it will form the base (ie the side opposite the vertex between the sides of equal length) of the isosceles triangles, and so the triangles must be to congruent isosceles triangles. If the diagonal has the same length as the side of the rhombus, then the two congruent triangles will be congruent equilateral triangles.

### Can any triangles be joined to make a rhombus?

No. A rhombus has all four sides of equal length. To split a rhombus into only 2 triangles, it must be split along a diagonal; which means that 2 of the sides of one of the triangles must be the same length as the sides of the rhombus, which being equal mean the triangles must be (at least) isosceles - scalene triangles will not work. Further, as the diagonal will be a common length to each of the triangles (the length of their third sides), it will form the base (ie the side opposite the vertex between the sides of equal length) of the isosceles triangles, and so the triangles must be to congruent isosceles triangles. If the diagonal has the same length as the side of the rhombus, then the two congruent triangles will be congruent equilateral triangles.

### What is the types of special quadrilaterals that will appear when you join two congruent equilateral triangles?

Depending on how they are joined, you can get a square, rectangle, rhombus, parallelogram, kite, arrowhead (or delta). You could also get a concave pentagon or hexagon.

rhombus

Yes

### Can any two triangle be joined together to make a rhombus and what are the triangles that can make the rhombus?

no two triangles can make a square

### Do any two triangles can be joined to make a rhombus?

yes it can because if you put the triangles on top of each other then that will maske a rhombus so the answer is YES

### Can two triangles be joined together to make a rhombus?

yes it can i dont no why though

### Do any two triangles can be joined to make a rhomus?

No, two scalene triangles, for example, can never make a rhombus..

### 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.

### JKLMN is a regular pentagon and the diagonal JL and JM are joined because of the symmetry of the pentagon all three triangles are isosceles and the left and right triangles are congruent calculate?

the all 5 sides of pentagon are identical , so all the sides are equal to each other now D is the point which is the center of the pentagon , so the bisector drawns of the angles are equal to each other therefore all the sides of the penagon are equal which says that the equilateral triangles has all the sides equal therefore the triangles are equilateral triangles