State whether the following statement is true or false:
Only one line can pass through a single point.

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

The number of interwoven $\ldots \ldots$ triangles in Sriyantra (in the Atharvaveda) is nine.

Write whether the following statement is True or False. Justify your answer.
If a quantity $B$ is a part of another quantity $A$,then $A$ can be written as the sum of $B$ and some third quantity $C$.

Boundaries of surfaces are:

............ is credited with giving the first known proof.