definition
Results on Quadrilaterals
☼ Results on Quadrilaterals :
■ A parallelogram and a rectangle on the same base and between the same parallels are equal in area.
■ Of all the parallelogram of given sides, the parallelogra…
Results on Triangle
☼ Results on Triangle :
■ The point where the three medians of a triangle meet, is called centroid. The centroid divides each of the medians in the ratio 2 : 1.
■ In an isosceles triangle, …
Some Important Concepts
☼ Some Important Concepts ( F + V = E + 2 ) :–
■ A cuboid has 8 vertices, 12 edges and 6 faces.
■ A tetrahedron has 4 vertices, 6 edges and 4 faces.
■ A Pyramid has 5 vertices, 8 edges and 5 fac…