If A and B are alternate interior angles when a transversal intersects two parallel lines and A = 78 degrees, then B = ___ degrees.

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102

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282

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Solution

The correct option is A 78

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Similar questions

Which of the following statements are true (I) and which are false (F)? Give reasons.
(i) If two lines are intersected by a transversal, then corresponding angles are equal.
(ii) If two parallel lines are intersected by a transversal, then alternate interior angles are equal.
(iii) Two lines perpendicular to the same line are perpendicular to each other.
(iv) Two lines parallel to the same line are parallel to each other.
(v) If two parallel lines are intersected by a transversal, then the interior angles on the same side of the transversal are equal.

Fill in the blanks in each of the following to make the statement true:
(i) If two parallel lines are intersected by a transversal then each pair of corresponding angles are ___
(ii) If two parallel lines are intersected by a transversal, then interior angles on the same side of the transversal are ___
(iii) Two lines perpendicular to the same line are ___ to each other.
(iv) Two lines parallel to the same line are to ___ each other.

(v) If a transversal intersects a pair of lines in such a way that a pair of alternate angles are equal, then the lines are ___
(vi) If a transversal intersects a pair of lines in such a way that the sum of interior angles on the same side of transversal is $180^{0}$ , then the lines are ___

Q. A transversal intersects two parallel lines. If one of interior angles is 60 degrees, other interior angle on the same side of transversal is equal to ____ degrees

Q. When a transversal intersects two non parallel lines, then the alternate interior angles are _____.

If two parallel lines are intersected by a transversal, then interior angles on the same side of the transversal are _______(in degrees).

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