Given two distinct points,there is a ......... line that passes through them.

In the figure,if $\angle 1 = \angle 3$,$\angle 2 = \angle 4$ and $\angle 3 = \angle 4$,write the relation between $\angle 1$ and $\angle 2$,using an Euclid's axiom.

The edges of a surface are ............

Solve the following question using an appropriate Euclid's axiom:
In the figure,we have $\angle ABC = \angle ACB$ and $\angle 3 = \angle 4$. Show that $\angle 1 = \angle 2$.

John is of the same age as Mohan. Ram is also of the same age as Mohan. State the Euclid's axiom that illustrates the relative ages of John and Ram.

Write whether the following statement is True or False. Justify your answer.
In the Vedic period,square and circular-shaped altars were used for household rituals,while altars whose shapes were combinations of rectangles,triangles,and trapeziums were used for public worship.