Question

If a transversal intersects two lines such that a pair of alternate interior angles is equal then the two lines are parallel
prove it with figure


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Answer 1

Answer:

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Step-by-step explanation:

Assumptions of Werner’s Theory

The important postulates of Werner’s theory are:

The central metal or the metal atoms in coordination compounds show two types of valency. They are the primary and secondary valency.

The primary valency relates to the oxidation state and the secondary valency relates to the coordinate number.

The number of secondary valences is fixed for every metal atom. It means that the coordination number is fixed.

The metal atom works towards satisfying both its primary and secondary valencies. A negative ion satisfies the primary valency. On the other hand, a negative ion or neutral molecules satisfy secondary valencies.

Answer 2

Step-by-step explanation:

A transversal AB intersects two lines PQ and RS such that

ZPLM = ZSML

To Prove: PQ IRS

Proof: ZPLM = ZSML .equation (i)

(Given)

ZSML = ZRMB .equation (ii)

(vertically opposite angles)

From equations (i) and (ii);

ZPLM = RMB

But these are corresponding angles.

We know that if a transversal intersects two lines such that a pair of alternate angles are equal, then the two lines are parallel to each other.

Hence, PQ RS Proved.

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