45
36 is a triangle number (1+2+3+4+5+6+8+9), a square (6*6) and an even number.
If all three sides are 9 inches in length, then it is an EQUILATERAL Triangle. All the angles are 60 degrees.
Can 9, 8, and 17 for a triangle?
9
36
45
45, 153, 171, 351...
36 is a triangle number (1+2+3+4+5+6+8+9), a square (6*6) and an even number.
It is 9
If all three sides are 9 inches in length, then it is an EQUILATERAL Triangle. All the angles are 60 degrees.
Can 9, 8, and 17 for a triangle?
9
Ah, triangles are such beautiful shapes, aren't they? So calming and serene. If we take the number of sides of a triangle, which is 3, and multiply it by 3, we get 9. Isn't that just a happy little calculation? Remember, there are no mistakes, just happy little accidents in math and art.
A triangular prism has 5 faces, 9 edges and 6 vertices
either prime, pentagonal, square or triangle. work it out for yourself.
An equilateral triangle has three sides of equal length.