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- A = 1 2bh, A = 21 bh, where bb is the length of the base of the triangle and hh is the perpendicular height of the triangle.
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A scalene triangle is a triangle in which all three sides are in different lengths, and all three angles are of different measures. However, the sum of all the interior angles is always equal to 180 degrees. Thus, it meets the angle sum property of the triangle.
- 6 min
A scalene triangle has all three sides of unequal lengths. Learn more about scalene triangles, properties, types, formulas, area, perimeter with concepts, definitions, examples, and solutions.
The area of a scalene triangle can be found by using the formula. A = 1 2bh, A = 21 bh, where bb is the length of the base of the triangle and hh is the perpendicular height of the triangle. Sometimes these values need to be calculated.
A scalene triangle is defined as a three-sided polygon whose side lengths and angles are all different. To identify if a triangle is scalene, check whether it has any congruent sides or angles; if it does, it is not a scalene triangle; if it doesn't, it is a scalene triangle.
- Properties
- Types
- Formulas
No equal (congruent) sides, in ∆ABC sides AB ≠ BC ≠ CANo equal angles, so ∠ABC ≠ ∠BAC ≠ ∠ACBNo line of symmetryNo point of symmetryScalene triangles are classified into three types: 1) acute scalene triangle, 2) obtuse scalene triangle, and 3) right scalene triangles. The differences between the types are given below:
The formulas for area and perimeter of a scalene triangle are the same as that of other triangles: Area (A) = ½ (b × h), where b=base and h=height Perimeter (P) = a + b + c, where a, b, c are the measures of three sides
Recall the definition. Explain why the triangle fits or does not fit the definition. Scalene triangle examples. Example 1: classify scalene triangle. Select the triangle that is scalene. Recall the definition. A scalene triangle is a triangle that has no equal sides and no equal angles.
The Formula for Scalene Triangle. Some useful scalene triangle formula are as follows: Area of Triangle = 12 × b × h, where b is the base and h is the height. The formula for Perimeter of any Triangle is, P = a+ b + c where a, b, c are the length of the sides.
