In ancient India,$\ldots \ldots \ldots$ altars were used for household rituals.

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

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

The word $\ldots \ldots \ldots$ is used for the line segment by Euclid.

Write whether the following statement is True or False. Justify your answer.
$A$ pyramid is a solid figure,the base of which is a triangle,square,or some other polygon,and its side faces are equilateral triangles that converge to a point at the top.

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 $\angle A = \angle C$.