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The sides of 8 and 9 would have to stretch out straight in line in order to reach the ends of the side of 17,

and then they would flop down right on top of it. The triangle would have two angles of zero degrees,

and one angle of 180 degrees. When you looked at it, it would look like a straight line segment with a

length of 17; you wouldn't know that there were two other line segments lying on top of it.

A mathematician might call that a "degenerate triangle". But in a practical sense, I don't think

anyone else would accept it as a member of the triangle club.

Q: Can a triangle has three sides of length 8 and 9 and 17?

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No. Because the total length of the two smaller sides (9 and 8) equal the length of the remaining side (17). No angles would be formed, so there would be no triangle. The total length of the two smallest sides has to be greater than the length of the longest side in order to make a triangle.

17 units in length

Add all three sides. Perimeter = 15 + 17 + 10 = 42

Using the cosine rule: 13.0112367 cm The triangle is in fact an isosceles triangle.

17 cm because it's an equilateral triangle

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No but the dimensions would be applicable to an isosceles triangle

No. Because the total length of the two smaller sides (9 and 8) equal the length of the remaining side (17). No angles would be formed, so there would be no triangle. The total length of the two smallest sides has to be greater than the length of the longest side in order to make a triangle.

17 units in length

Add all three sides. Perimeter = 15 + 17 + 10 = 42

Using the cosine rule: 13.0112367 cm The triangle is in fact an isosceles triangle.

17 cm because it's an equilateral triangle

The minimum length possible is 18. The maximum is 38.

If only one of the side lengths is 17, both of the other two sides are the same length. Using Pythagoras's Theorem, a2=b2+c2 This means that 289=2a2 because 17 is the hypotenuse and both of the remaining sides are equal. Therefore the other two sides equal 12.02. If both the sides of the triangle are 17 units long, the hypotenuse equals Sqrt(172+172)=24.04

5+2x=17 2x=12 x=6 so the remaing sides are each 6ft

If the sides of right angle triangle are 8 units and 15 units then the hypotenuse will be 17 units in length.

No. In fact, if you make a triangle with sides of 17, 20, and 37, anybody who sees it thinks that it's just a piece of straight line. The 17 and the 20 lie down along the 37. The triangle is "degenerate" ... two of its angles are zero, and the third angle is 180 degrees, and two of its sides lie on top of the third side.

The sum of the lengths of two sides of a triangle must be greater than the length of the third so the following eight triangles will do: (1,8,8), (2,7,8), (3,6,8), (3,7,7), (4,5,8), (4,6,7), (5,5,7) and (5,6,6).