Basic Terms for Angles between Lines

In figure below, $AB\parallel CD$. Find the value of $x$. 

In figure below, $AB\parallel CD$. Determine $x$.

In figure below, $AB\parallel CD$. Determine $\angle a$.

In figure below, if $AB\parallel CD, \mathrm{\angle }APQ={50}^{\circ }$ and $\mathrm{\angle }PRD={127}^{\circ }$, find the sum of $x$ and $y$.

In figure below, if $AB\parallel CD, EF\perp CD$ and $\angle GED=126°$, find the sum of $\angle AGE, \angle GEF$ and $\angle FGE$.

In figure below, $l,m$and $n$ are parallel lines intersected by a transversal $p$ at $X,Y$ and $Z$ respectively. Find the sum of $\angle 1, \angle 2$ and $\angle 3$. Give reasons.

In figure below, if $AB\parallel CD, CD\parallel EF$ and $y:z=3:7$, find $x$. [Write the answer in $\left(°\right)$ degrees.]

In figure below, $m\parallel n$ and $\angle 1=65°$. Find the difference of  $\angle 5$ and $\angle 8$.

There are _____ number of horizontal lines within a plane.

A horizontal line goes

Given $"\overline{AB}\Vert \overline{CD},l\perp m"$. Which are perpendicular? Which are parallel?

Write the set of parallels and perpendiculars in the given by using symbols.

Fill in the blanks with correct option:

From a fixed point outside a straight line _____ perpendicular can be drawn.

Draw the figure of the following.

Point $X$.

A _____ has no length, breadth or thickness.

A point has no shape.

A point has _____ (rectangular/circular/no) shape.

A point has a rectangular shape and is denoted by a capital letter.

In figure, determine the values of $a, b, c$ and $t$.

In figure $\mathrm{AB}\parallel \mathrm{CD}$. Find the values of $x, y$ and $z$.