Isosceles - Has at least two equal sides. (B) Obtuse Triangle - Must have an obtuse angle. (D) Equilateral Triangle - All sides should be equal. (Missing an answer?) Right Triangle -Must include a 90 degree angle. (A) Scalene Triangle - Has NO equal sides. (C)
How to Find the Difference between Two Numbers. To find the difference between two numbers, subtract the number with the smallest value from the number with the largest value. The product of this sum is the difference between the two numbers. Therefore the difference between 45 and 100 is 55.