# Geometry – A Subject to Enhance Creativity

Math is a vast subject and contains many important topics like Arithmetic, Algebra, Calculus, Geometry, Mensuration and Trigonometry that are widely used in day-to-day activities of our life. Based on the study of shapes and their properties, geometry gives a thorough understanding of lines, circles and triangles to students. From an early age, students develop […]

# Dihedral Symmetries

Illustrate and discuss the dihedral symmetries of the regular pentagon, D5. Give the Cayley table of D5.                             Look at the above diagram of a regular pentagon. It has 5 lines of symmetries. These lines of symmetries are reflection symmetries as well as rotational symmetries. The axis  0-0 is the principal […]

# Perimeter of a rectangle,profit,dimensions.

1. The perimeter of a rectangle is 70 m. The length is 8 m more than twice the width find the dimensions. Let l and w be the dimensions of the rectangle in meters. It is given that l = (w + 8) Perimeter of the rectangle P = 2l + 2w and given as […]

# Line of symmetry in geometry

Illustrate and discuss the dihedral symmetries of the regular pentagon, D5. Give the Cayley table of D5. Look at the above diagram of a regular pentagon. It has 5 lines of symmetries. These lines of symmetries are reflection symmetries as well as rotational symmetries. The axis  0-0 is the principal line of symmetry and subsequently […]

# Find Diagonal of Cube

Find the diagonal of cube with side 12cm.

# Parallelogram Question & Answer- Geometry

GEOMETRY QUESTION: in a parallelogram ABCD, DB = 14cm and MN = 8 cm find DM and NB. Solution: Here, ABCD is a parallelogram, DB is diagonal. AM and CN is perpendicular to DB. Here, Take right triangles AMD and CNB. angle M is congruen to N Because they are right angles. and angle ADM […]