10 + 28 are two triangle numbers that, added together total 38.
78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.
28 and 10 are both triangular numbers and add up to 38
there are 180 degrees in a triangle. So, what you do is add those two numbers and subtract them from 180! your welcome. . .
the formula is n2 divided by two add n divided by 2
You must add either two odd numbers or two even numbers.
5 and -3
Oh, dude, a triangle is a polygon with three sides, so technically any three numbers can make a triangle as long as the sum of any two sides is greater than the third side. It's like that awkward third wheel situation but with numbers. So, as long as the numbers play nice and follow the rules, you've got yourself a triangle.
6
-1
The numbers are: -5 and 3
12
5 x 1.25