Hello Student, Here in this post We will discuss about Triangle. Students & Children who wants to know a detailed knowledge about Triangle, then Here we posted a detailed view about Triangle.
Triangle
(1) Triangle is polygon with three sides and three angles.
(2) Sum of all three interior angles of a triangle is 180°.
(3) The opposite side of the greater angle is always the longest side.
(4) Sum of any two sides of a triangle is always greater than the third side.
(5) Perimeter of a triangle can be calculated by adding all three sides.
(6) Area of a triangle is equal to half the triangle height and its base.
(7) When all three interior angles are below 90 then the triangle is called acute triangle.
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(8) When any of the interior angle of a triangle is equal to 90° then the triangle is called as right angle.
(9) When any of the interior angles of a triangle is greater than 90° then the triangle is called obtuse angle.
(10) When a straight line is drawn to connect an angle with the mid-point of the opposite side, then it is called median.
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