Yes. 1 is both square and triangular.
1225
36 is the only square number that is also a triangular number between 20 and 40.
They are both prisms.
64
Yes. 1 is both square and triangular.
1225
36 is the only square number that is also a triangular number between 20 and 40.
1 and 36
They are both prisms.
64
36 is the smallest non-trivial number. It is both square and triangular.
they are both numbers
They both have a triangle as a base They both have more than one triangular face
Any number to the 6th power will be both a squared number and a cubed number. The first 10 such numbers are: 1 64 729 4096 15625 46656 117649 262144 531441 1000000
None because they are both describing the same thing in square cm
They both have a triangular shape