Subject Experts Solutions for Chapter: Basic Geometrical Ideas, Exercise 1: Exercise 1

How many radii can a circle have?

Name the longest chord of a circle?

Name the diagonals of the following figure?

How many angles are being formed at $X$? Name them:

In the given figure write names of all the vertices.

Neetu noted down the rays given in the above figure as $\overrightarrow{PQ}$, $\overrightarrow{QR}$, $\overrightarrow{PR}$, $\overrightarrow{QP}$, $\overrightarrow{RP}$and $\overrightarrow{RQ}$. The teacher said only two are correct. Identify them. 

Look at the figure and name the rays.

Count the number of line segment of the following figure.