Question

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look at the mark​

Answer 1

Answer:

x= 130° because they are alternate angles:)

❤MissAstonish❤

Answer 2

Answer :-

• x = 50°.

Step-by-step explanation :-

In the given figure, l || m.

Let an unknown angle be y.

As we can see, 130° and y are corresponding angles.

We know that :-

Corresponding angles are equal.

So, y = 130°.

Now, y and x are forming a linear pair.

Linear pairs are supplementary and add up to 180°.

So,

$\sf x + y = 180^{\circ}$

$\sf x + 130^{\circ}= 180^{\circ}$

$\sf x = 180^{\circ} - 130^{\circ}$

$\sf x = 50^{\circ}.$

Thus, x = 50°.

Note :- See the attachment for better understanding.

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Know more :-

Transversal :- A line that intersects two (or more) lines in a plane at different points is called a transversal.

Corresponding angles :- The angles that are in matching positions between the transversal and the two lines are called corresponding angles.

• Each pair of corresponding angles are equal.

Alternate angles :- The angles that are on the alternate sides of the transversal are called alternate angles.

• Each pair of alternate angles are equal.

Co-interior angles :- The angles that are on the same side of the transversal are called co-interior angles.

• Each pair of co-interior angles are supplementary, that is, they add up to 180°$.$

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