that's not a triangle
No because in order to construct a triangle the sum of its 2 smaller sides must be greater than its longest side.
No. Any two sides of a triangle MUST add up to more than the third. 8+7 = 15, not > 15.
Those segments can form a triangle because the two smallest sides, 7 and 8, add together to make 15, which is greater than the longest side, 12.
The perimeter of a triangle is the sum of the lengths of its sides. In this case, the perimeter of the triangle with sides measuring 3 inches, 5 inches, and 7 inches is 3 + 5 + 7 = 15 inches.
No.
A triangle with sides of 7, 8, and 15 has interior angles of 0, 0, and 180 degrees, and it looks like a straight line.
No it does not.
You can make the triangle any shape you like, and you also havea lot of choices of how big to make it.Just make sure that the product of(length of the triangle's base) times (height of the triangle)multiplies to 30. Then you'll know that its area is 15.
go to wikipedia and they will give you a picture to show you how to make a triangle it is very easy
The dimensions of the scalene triangle could be 7 by 5 by 3 inches
No, it is not. For a right triangle, from the Pythagoraen theorem, 7 squared plus 9 squared does not equal 12 squared