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

Axioms are assumed

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 $C$.

Solve the following question using an appropriate Euclid's axiom:
In the figure:
$AB = BC$,$M$ is the mid-point of $AB$ and $N$ is the mid-point of $BC$. Show that $AM = NC$.

In ancient India,altars (or vedis) with combinations of shapes like rectangles,triangles,and trapeziums were required for $\ldots \ldots \ldots$

Euclid divided his famous treatise "The Elements" into: