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Scalene Triangle. No equal sides. No equal angles. How to remember? Alphabetically they go 3, 2, none: Equilateral: "equal" -lateral (lateral means side) so they have all equal sides. Isosceles: means "equal legs", and we have two legs, right? Also i SOS celes has two equal "S ides" joined by an " O dd" side.
In geometry, an equilateral triangle is a triangle that has all its sides equal in length. Since the three sides are equal therefore the three angles, opposite to the equal sides, are equal in measure. Therefore, it is also called an equiangular triangle, where each angle measure 60 degrees. Just like other types of triangles, an equilateral ...
- 6 min
- A triangle that has all its sides equal in dimension and each angle measure up to 60 degrees, is called an equilateral triangle.
- The formula to find area of equilateral triangle is given by: A = (√3/4)a2, where a is the length of side of equilateral triangle.
- The perimeter of an equilateral triangle is the sum of all its three equal sides. Perimeter = 3a, where a is the length of its sides.
- The formula to find the height of equilateral triangle is: Height, h = (√3/2)a, where a is the side of the equilateral triangle.
- An equilateral triangle is a regular polygon or a regular triangle.
- Based on sides, there are three different kinds of triangles. Their names are: Scalene triangle Isosceles triangle Equilateral triangle
- All triangles have 3 sides only.
- Perimeter = 3 x sides of equilateral triangle Perimeter = 3 x 10 = 30 cms
Definition: A triangle is essentially a polygon with 3 sides. From the figure we can see that a triangle has 3 vertices and 3 edges. In our daily life we come across various triangular objects such as a clothes hanger, a pizza slice, sandwich and so on. We use the ‘\ ( \triangle\)’ symbol to represent a triangle.
Tell if it is possible to construct a triangle in which its sides measure 5~cm 5 cm, 7~cm 7 cm and 10~cm 10 cm. Solution. We add the lengths of any two sides (edges) and compare with the length of the remaining side. 5 c m + 7 c m = 12 c m. 5~cm + 7~cm= 12~cm 5 cm + 7 cm = 12 cm which is greater than the remaining side that measures. 10 c m.
Triangles. In Geometry, a triangle is a three-sided polygon that consists of three edges and three vertices. The most important property of a triangle is that the sum of the internal angles of a triangle is equal to 180 degrees. This property is called angle sum property of triangle.
- 6 min
A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry. The corners, also called vertices, are zero- dimensional points while the sides connecting them, also called edges, are one-dimensional line segments. A triangle has three internal angles, each one bounded by a pair of adjacent edges; the sum of ...
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The third figure has a curved side. Parts of a Triangle. A triangle has 3 sides. In triangle ABC, the sides are AB, BC, and CA. The angle formed by any two sides of a triangle is the angle of the triangle, denoted by the symbol ∠. A triangle has three angles. The three angles of the triangle ABC are ∠ABC, ∠BCA, and ∠CAB.
