MCQ
Statements $A$ and $B$ are as given below:
$A.$ If two lines intersect, then the vertically opposite angles are equal.
$B.$ If a transversal intersects, two other lines, then the sum of two interior angles on the same side of the transversal is $180^\circ .$
Then
  • A
    Both $a$ and $b$ are true.
  • $A$ is true and$ b$ is false.
  • C
    $A$ is false and $b$ is true.
  • D
    Both $a$ and $b$ are false.

Answer

Correct option: B.
$A$ is true and$ b$ is false.
Statement $A$

If linne $ l$ and $m$ intersect each other, then $x$ and $y$ are know as vertically opposite angle. The vertycally opposite angles so formed are equal.
$\therefore \text{x}=\text{y}$
Statement $B$

If two lines $l$ and $m$ are intersected by a transversal $p,$ then the sum of two interior angles will be $180^\circ ,$ only if $l$ and $m$ are parallel.

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