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Assuming that 15 and 12.5 units are measures of the lengths of two sides of the triangle, the third is any value in (2.5, 27.5) units

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Q: What is the third side of a triangle with 15 and 12.5?
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What could be the length of the third side of a triangle that has two sides of lengths 4 and 15?

For a triangle to exist, the sum of the two shorter sides must be longer than the longest side. If 15 is the longest side, then the other, missing, shorter side must be greater than 15 - 4 = 11. If the third, missing, side is the longest side, then it must be less than 15 + 4 = 19 So the third side is any length greater than 11 and less than 19. Examples include 12, 13, 15, 11.5, 18.5.


Triangle has two sides of length 4 and 15 What value could the length of the third side be?

The third side must be longer than 11 and shorter than 19.


Can 15cm 6cm and 9cm form a triangle?

No. The sum of the lengths of any two sides of a triangle must be greater that the third. Here 6 + 9 = 15, not > 15.


Dwayne's garden is triangle-shaped with two equal sides and a third side that is 4 ft more than the length of an equal side If the perimeter is 49 ft how long is each side?

Call the two equal sides 2x and the third side x+4: 2x+x+4 = 49 2x+x = 49-4 3x = 45 x = 15 So the length of two equal sides are 15 ft each and the larger side is 19 ft (Incidentally the garden is in the shape of an isosceles triangle)


A triangle has a perimeter of 39 cm. The longest side is twice as long as the shortest side. The third side is 7 cm. longer than the shortest side. What are the lengths of the three sides?

Let the shortest side be x cm, so that the longest side is 2x cm, and the third side is x + 7 cm. Since the perimeter of the triangle is 39 cm we have:x + 2x + x + 7 = 394x = 32x = 8Thus, the lengths of the sides are 8 cm, 15 cm, and 16 cm.

Related questions

If a triangle has two sides that are 15 inches each and the third side measures 10 inches what kind of triangle is it?

This would be an isosceles triangle.


If A triangle has side lengths of 6 and 9 what could the third side be?

Any number between 3 and 15


What could be the length of the third side of a triangle that has two sides of lengths 4 and 15?

For a triangle to exist, the sum of the two shorter sides must be longer than the longest side. If 15 is the longest side, then the other, missing, shorter side must be greater than 15 - 4 = 11. If the third, missing, side is the longest side, then it must be less than 15 + 4 = 19 So the third side is any length greater than 11 and less than 19. Examples include 12, 13, 15, 11.5, 18.5.


Triangle has two sides of length 4 and 15 What value could the length of the third side be?

The third side must be longer than 11 and shorter than 19.


What is the length of EF in the triangle below with legs of 39 and 15?

Since there is no triangle "below", all that can be said is that EF - if it is the third side of the triangle - is any length in the interval (24, 54).


Can segments with the length of 9 and 4 and 15 form a triangle?

No. The sum of any two sides of a triangle MUST be greater than the third side. 9 + 4 is 13 which is not greater than 15.


Can 11 centimeters 15 centimeters and 17 centimeters form a triangle?

11 centimeters 15 centimeters and 17 centimeters can form a triangle . It is because some of any two sides of triangle is greater than the third side . a + b >c always.


The length of a side of a right triangle is 15 cm another side measures 12 cm what is the length of the third side?

9 cm or 19.209 cm, solved by using Pythagoras' theorem.


Could the segment 94 and 15 form a traingle?

Line segments of lengths 94 and 15 could form a triangle provided the third side was in the range (79, 109).


What could be the length of the third side of a triangle that has two sides of lengths 6 and 9?

To create a triangle, the sum of the two shorter sides must be greater than the third side. If the side of length 9 is the longest side then the missing side must be greater than 9 - 6 = 3 If the missing side is the longest side then the missing side must be less than 6 + 9 = 15 Thus any length that is greater than 3 and less than 15. Examples include: 10, 4, 7, 12


A triangle has two sides of lengths 4 and 15. What value could the length of the third side be Check all that apply.?

It could be 12 because the sum of the 2 smaller sides of a triangle must be bigger than its largest side.


What could be the length of the third side of a triangle that has two sides of length 10 and 10?

The sum of the two shorter sides of a triangle must be longer than the third. Thus the third side can be any length greater than 0 and less than 20. Examples are 0.5, 2, 5, 10, 15, 17.5, 19.9.