Table of Contents
What is a triangle with unequal sides called?
Scalene. A scalene triangle has three different angles and none of its sides are equal in length.
Can you make a triangle with 3 different length sides?
A scalene triangle is a triangle where the lengths of all three sides are different.
How do you describe a scalene triangle?
Before we dive into the in-depth definition, a scalene triangle is a triangle that has no equal sides. None of its three sides are equal to each other and it has no equal angles either.
Can you form a triangle with equal sides?
A triangle with all sides equal is called an equilateral triangle, and a triangle with no sides equal is called a scalene triangle. An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides and angles equal.
Can a triangle have a negative side?
side lengths of triangles cannot be negative, so we can disregard this inequality.
Does 6.4 12 and 12.2 form a right triangle?
a = 6.4, b = 12, c = 12.2 is this a right triangle? Yes, it is a right triangle.
Is a scalene triangle symmetrical?
A scalene triangle has no lines of symmetry. It has rotational symmetry of order 1. It has no equal sides and no equal angles.
What happens when the sides of a triangle are unequal?
Theorem 37: If two angles of a triangle are unequal, then the measures of the sides opposite these angles are also unequal, and the longer side is opposite the greater angle. Example 1: Figure 1 shows a triangle with angles of different measures. List the sides of this triangle in order from least to greatest.
How to prove the inequalities of a triangle?
Let’s see how: 1. If two sides of a triangle are unequal, the angle opposite to the longer side is greater than others. For proving this point we need to do an activity. On a drawing board fix three pins at points PQR. A line segment is drawn at PQ. Taking P as center and some radius we draw an arc at A.
What are the sides and angles of a triangle?
Triangle Inequalities: Sides and Angles. You have just seen that if a triangle has equal sides, the angles opposite these sides are equal, and if a triangle has equal angles, the sides opposite these angles are equal. There are two important theorems involving unequal sides and unequal angles in triangles.
How to find the sum of all angles in a triangle?
The sum of all the angles in any triangle is 180º. Step 2: Looking at the relative sizes of the angles. Step 3: Following the angle-side relationship we can order the sides accordingly. Remember it is the side opposite the angle. If 2 sides of a triangle are not congruent, then the larger angle is opposite the larger side.