Yes, some triangles will have what in math they call a "Hidden angle." These will contain 3 regular angles adding up to 180 degrees and an additional angle with a maximum degree of 87. To calculate the hidden angle the most ethical approach is to use the Tangent Law.
A pentagon has 3 triangles and 5 sides
isosceles triangles have 2 congruent sides scalene triangles have no congruent sides equilateral triangles have 3 congruent sides
Triangles with three equal sides are called equilateral triangles.
no. if one triangles sides are all 2 and one triangles sides are all 3 then they are not congruent
Triangles have 3 sides.
Classification of triangles by their sides:equilateral = 3 sides are equalisosceles = 2 sides are equalscalene =no equal sideClassification of triangles by their angles:acute = the 3 angles are less less than 90 degreesright = it has an angle which is 90 degreesobtuse = it has an angle which is more than 90 degrees
All triangles have 3 sides but an isosceles triangle has 2 equal sides and an equilateral triangle has 3 equal sides.
The shapes that have 3 sides and 3 vertices are called triangles. Triangles are classified based on the lengths of their sides and the measures of their angles. The three most common types of triangles are equilateral triangles (all sides and angles are equal), isosceles triangles (two sides and two angles are equal), and scalene triangles (all sides and angles are different).
Triangles
None because all triangles have 3 sides
A pentagon has 3 triangles and 5 sides
3 because equilateral triangles are triangles that have 3 congruent sides.
isosceles triangles have 2 congruent sides scalene triangles have no congruent sides equilateral triangles have 3 congruent sides
Some, but not all. Triangles with 2 congruent sides are called isoceles triangles. Triangles with 3 congruent sides are called equilateral triangles.
There are three types of triangles. Scalene triangles have no congruent sides or angles, equilateral triangles have 3 congruent sides and 3 60degree angles, and isosceles triangles have two congruent sides and two congruent angles.
No because squares have 4 sides whereas triangles have 3 sides
Equilateral triangles have 3 equal sides whereas isosceles triangles have only 2 equal sides