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In Euclidean Geometry: If it is a triangle with 3 sides yes it does. In Reimannian Geometry: No, they actually add up to more than 180 degrees. Let's use the Earth. Longitudinal Lines intersect the Equator at 90 degree angles, and originate from the North Pole. Pick any two longitudinal lines, extend them from the North Pole to the Equator, and presto! A triangle with more than 180 degrees.
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How many triangles does a 10 sided shape have?
8 because there are 180 degrees in a triangle and 8*180 = 1440 degrees The interior angles of a 10 sided shape add up to 1440 degrees
What angle do triangles always add up to?
180 degrees.
Parts of the triangle?
All triangles have 3 sides and 3 interior angles that add up to 180 degrees Triangles are classed as scalene, right angle, obtuse, isosceles and equilateral
How many degrees does a scalene triangle have?
All triangles add up to 180 degrees including scalene.
What do triangles have in common?
-- three sides-- three angles-- three points-- interior angles add up to 180 degrees-- area = 1/2 (length of base) x (height)
