![]() ![]() So 30 is not equal to 50, so Triangle can’t be formed with length of sides as 10, 50 and 20. So the sum of other two sides must be greater than 50. Note: Result of output 4 gives “Invalid Triangle” because – the largest side is 50. Output 4: Enter values for a, b and c 10 50 20 Invalid Triangle Here are the classifications explained: scalene all different side lengths. Output 3: Enter values for a, b and c 10 50 50 It’s an Isosceles Triangle The triangle given fits both an equilateral (all equal sides) and acute triangle (all angles under 90). Output 2: Enter values for a, b and c 30 30 30 It’s an Equilateral Triangle ![]() Output 1: Enter values for a, b and c 4 5 6 It’s a Scalene Triangle C Program To Check whether a Triangle is Equilateral, Isosceles or Scalene: Valid Triangle #include You can find the logic to it at Triangle Valid or Not based On Sides: C Program. We’ll need to write the C program to check if the entered values form a valid Triangle or not. YouTube Link: įirst we ask the user to input lengths of 3 sides of the Triangle. If above two conditions are false, then length of all sides of the Triangle is different or not equal, so it’s a Scalene Triangle.Ĭ Program To Check whether a Triangle is Equilateral, Isosceles or Scalene If any of these conditions are true, then 2 sides of the Triangle are equal. Let’s look more closely at the sides of an equilateral triangle. This road sign is an equilateral triangle. Isoceles triangle is superset of Equilateral traingle. In this video, we’re going to learn how to identify different types of triangles, equilateral, isosceles, and scalene. Scalene triangle is superset of isoceles triangle and equilateral triangle. Next, if the first condition is false – we check if either length of a is equal to length of b or length of a is equal to length of c or length of b is equal to length of c. Every equilateral is also an isoceles and scalene triangle. If that’s true, then its Equilateral Triangle. First we check if length of a is equal to length of b and length of c. Here a, b and c are lengths of sides of the triangle. Output 3: Enter values for a, b and c 10 15 8 It’s a Scalene Triangle Output 2: Enter values for a, b and c 20 20 30 It’s an Isosceles Triangle Output 1: Enter values for a, b and c 10 10 10 It’s an Equilateral Triangle Printf("It's an Equilateral Triangle\n") C Program To Check whether a Triangle is Equilateral, Isosceles or Scalene: Valid TriangleĬ Program To Check whether a Triangle is Equilateral, Isosceles or Scalene #include.A scalene triangle is one in which all three sides and all three angles are of different measurements, an equilateral triangle is one with all three sides and angles equal, and in an isosceles triangle, two sides and two angles. Each triangle is different from the other on the basis of its unique properties. C Program To Check whether a Triangle is Equilateral, Isosceles or Scalene The three common types of triangles are scalene, equilateral, and isosceles triangles.
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