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There is one equilateral triangle with 3 equal sides of 7in

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How many triangles exist with the given side lengths 12 in 15 in 18 in?

There is only one.


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A scalene triangle is one type of triangle that will be formed from the given dimensions.


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How many triangles exist with side length of 12in 15in 18in?

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None because to form a triangle the sum of its smaller sides must be greater than its largest side


How many triangles exist with the given side lengths 12in 15in 18in?

To determine how many triangles can be formed with sides of lengths 12 inches, 15 inches, and 18 inches, we can use the triangle inequality theorem. This theorem states that the sum of the lengths of any two sides must be greater than the length of the third side. For these side lengths, 12 + 15 > 18, 12 + 18 > 15, and 15 + 18 > 12 all hold true, confirming that a triangle can indeed be formed. Therefore, there is exactly one triangle with the given side lengths.


How many triangles exist with the given angle measures 30 65 85?

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How many triangles exist with the given side lengths 2mm 6mm 10mm?

No triangle can be formed with the side lengths of 2mm, 6mm, and 10mm because they do not satisfy the triangle inequality theorem. According to this theorem, the sum of the lengths of any two sides must be greater than the length of the third side. In this case, 2mm + 6mm is not greater than 10mm, so these lengths cannot create a triangle. Thus, there are zero triangles that can be formed with those side lengths.