6 x 6 = 36
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 = 36
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36 is both a square number and a triangle number as it is:6x6=36andthe square numbers are:1, 3, 6, 10, 15, 21, 28, 36, 45,55, 66, 78.xx
36 is a triangle number (1+2+3+4+5+6+8+9), a square (6*6) and an even number.
Square, yes. Triangle, no.
It is a right angle triangle with an hypotenuse of 39 and sides of 36 and 15. Area of triangle is 0.5*36*15 = 270 square units
36 = 62 = Triangle(8) The triangle number formula: T(n) = (n2+n)/2. Here is T(8) graphically: . 1 = T(1) = 1 .. +2 = T(2) = 3 ... +3 = T(3) = 6 .... +4 = 10 ..... +5 = 15 ...... +6 = 21 ....... +7 = 28 ........ +8 = 36 36 = 62, graphically: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .