Triangles Flashcards
Equilateral Triangle
Triangle with congruent sides and angles
Isosoles triangle
Triangle with two congruent angles and two congruent sides opposite the congruent angles.
Right triangle
A triangle with one 90 degree angle.
Hypotenuse
The longest side on a right triangle.
Legs
The two sides of a right triangle that are not the hypotenuse.
Pythagorean theorum
C^2= a^2+b^2
Area
The area of a triangle is the space enclosed by the triangle and can be found using the equation A=(b*h)/2
Congruent triangles
Triangles with congruent angles and sides in the same place
Similar triangles
Triangles with the same ratio of angles and sides.
Scale factor of similarity
The ratio of angles in similar triangles.
30-60-90 triangles
The sides have a ratio of 1:sqrt(3):2
45-45-90 triangle
The sides have a ratio of 1:1:sqrt (2)
