Observe that the exterior angles on the same side of the transversal are supplementary or not.

$\angle 1, \angle 8 \& \angle 1+\angle 8$

Observe that the exterior angles on the same side of the transversal are supplementary or not.

$\angle 2, \angle 7 \& \angle 2+\angle 7$

State whether the fallowing statement is true or false.

Two obtuse angles can be adjacent to each other.

State whether the following statement is true or false.

The supplement of an obtuse angle is an acute angle.

State whether the following statement is true or false.

The complement of zero angle is a right angle.

State whether the following statement is true or false.

If an angle is greater then $45°$, then its complement is less than $45°$.

State whether the following statement is true or false.

If two lines intersects each other, then the angles formed are right angles.

State whether the following statement is true or false.

If a transversal cuts two parallel lines, then the interior angles on the same side of the transversal are equal.

State whetter the fallowing statement is true or false.

Two parallel lines can have two parallel transversals.