Both triangles have 3 sides which add up to 180 degrees. In fact, all triangles do.
All isosceles triangles are not equilateral triangles
Yes all equilateral triangles are acute triangles, but not all acute triangle are equilateral triangles.
Equilateral triangles add up to 180 degrees divided by 3 (3 sides on a triangle) which gives yo 60 degrees on each angle.
Many different types, but mostly equilateral triangles.
Interior angles of all triangles add up to 180 degrees.
All equilateral triangles have 3 equal acute angles of 60 degrees that add up to 180 degrees.
Both triangles have 3 sides which add up to 180 degrees. In fact, all triangles do.
All isosceles triangles are not equilateral triangles
All triangles have 3 sides and 3 interior angles that add up to 180 degrees and they are: scalene, right angle, obtuse, isosceles and equilateral triangles
All isosceles triangles are not equilateral triangles
In an equilateral trianger, each angle is 60 degrees. In all triangles, including equilateral triangles, all 3 angles add up to 180 degrees.(the above assumes Euclidean - flat - space. In Hyperbolic space there are less than 180° in all triangles; in Spherical space more than 180° in all triangles)
The Great Pyramids at Giza are, but the Meso-Americans were truncated.
Yes all equilateral triangles are acute triangles, but not all acute triangle are equilateral triangles.
Triangles are joined together by 3 line segments Triangles have 3 interior angles that add up to 180 degrees Triangles have 3 exterior angles that add up to 360 degrees Triangles have no diagonals Triangles will tessellate Triangles can be scalene, obtuse, right angle, isosceles or equilateral Triangles have a perimeter which is the sum of their 3 sides
As triangles they both have 3 sides and 3 interior angles that add up to 180 degrees
Three sides of equal length and thus all angles are each 60 degrees, because all triangles add up to 180 degrees