The roof of a house,
a plane triangle is a normal triangle, like the isosceles, right angled, equilateral and scalene triangle.
an isosceles triangle has only 2 equal length sides and a scalene triangle has no equally lengthen sides. obviously they are in the shape of a triangle.
deltoid
It can be an obtuse triangle with 2 different acute angles or it can be an isosceles triangle with 2 equal base angles of 17.5 degrees
coat hangers
Something
The roof of a house,
An isosceles triangle has two same sides and one different side.
It only has two equal lengths out of however many sides like an isosceles triangle
An Isosceles triangle, like all triangles has three vertices (corners).
An isosceles triangle is a triangle with 2 of it's sides even. An equilateral triangle has all even sides.
The organ that is shaped like a triangle is the LIVER.
a plane triangle is a normal triangle, like the isosceles, right angled, equilateral and scalene triangle.
Its like an isosceles triangle that has been cut in half parrllel to its base
Triangles are generally shaped like triangles. Squares do not fit this description as they are generally categorized as squares. Circles have no sides, so they are also not triangles. Most things with three sides are triangle-shaped. Hope this helps.
Figure B. equilateral triangle (small circle) inside of isosceles triangle (big cirlce)