1 Without proper scans of teeth, there is a danger of permanent nerve damage. 2  Carol Russell, 46, from Birmingham, can't even kiss her children. 3  Her wisdom tooth was removed in 2008 but several operations couldn't stop the pain.  Wisdom tooth extraction is one of the most common procedures in the UK.
An isosceles triangle is a triangle with two congruent sides and congruent base angles. congruent means equal. No matter which direction the triangle's apex, or peak, points, it's an isosceles triangle if two of its sides are congruent. Note the hash marks that indicate congruency. Any sides or angles with the same number of hashes through them are congruent.
Use isosceles and equilateral triangles. Using the Base Angles Theorem. A triangle is isosceles when it has at least two congruent. sides. When an isosceles triangle has exactly two congruent. sides, these two sides are the legs. The angle formed by the. legs is the vertex angle. The third side is the base of the. isosceles triangle.