Dr. Sanjeev Verma and R.K. Tyagi Solutions for Chapter: Basic Geometrical Ideas, Exercise 5: ASSIGNMENT 5.5

Two sides of a quadrilateral are said to be opposite sides, if they

A point $\mathrm{O}$ is inside a triangle $\mathrm{ABC}$ (shown in figure). Join the point $\mathrm{O}$ to the vertices $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$. In how many triangles will the triangle $\mathrm{ABC}$ be divided?

Take a point $\mathrm{O}$ inside a pentagon $\mathrm{ABCDE}$. Join the point $\mathrm{O}$ with all its vertices. In how many triangles will the pentagon be divided ? Name them.

Draw a quadrilateral. Name the sides, vertices, angles and diagonals of the quadrilateral.

From the following figure, name the pairs of adjacent sides.

From the following figure, name the pairs of opposite sides.

From the following figure, name the pairs of adjacent angles.

From the following figure, name the pairs of opposite angles.