Converse of Pythagorean Theorem  In this section we are going to see the converse of Pythagorean theorem. We know the Pythagorean theorem applies to right triangles and states that,  The square of the length of the hypotenuse, equals the sum of the squares of the lengths of the other two sides.  (hypotenuse)2 = (Base)2+(Perpendicular)2     […]

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     Types of triangles- Right, Acute, Obtuse…..          Type on triangles on base of angles 1.  Right triangle: If in a triangle, one angle is 90 degree, the triangle called right triangle. or  A right triangle has a 900  angle. The following triangle is a right triangle.  2. Acute triangle: If in a triangle, all three […]

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Trigonometric ratios in right triangles  In a triangle, if any one angle is a right angle ( that is a 90 degree angle) then the triangle is called right triangle. A triangle has three sides, the longest side of the triangle is opposite of right angle called Hypotenuse, and  the other two sides including the right […]

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 2D Shapes – Names and Properties Definition and Properties  2-dimensional shapes have 2 dimensions length and width.  Rectangle  A rectangle is a 2-dimensional 4 sided polygon. A rectangle have 4 sides, 4 angles and 4 vertices. The total of 4 angles is 360 degree. Square A square is a 2-dimensional 4 sided polygon. A square have 4 sides, 4 angles and 4 vertices. The total of […]

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