how to find triangular numbers

The triangular numbers are the numbers 1, 3, 6, 10, 15, . . .; the square numbers are the numbers 1...

TRIANGULAR NUMBERS By arranging bowling pins in their proper order, a triangle is created. The t...

find the volume of a triangular prisim with a=2.3, c=2 and h=1.5

Find the volume of a triangular prism with the following dimensions. Round to the nearest whole numb...

Numbers on the triangular prism are: 17 m, 15 m, 17 m, 16 m, and 11 m. What is the surface area o...

find the area of the triangular prism the numbers are 14 in 12 in 5 in 13 in

Find volume of the triangular prism. The triangle has a height of 4 and the base of the triangle is...

Triangular numbers can be represented with equilateral triangles formed by dots. The first five tria...

How many triangular numbers are there between 11 and 39?

Asked by john