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Standard IX
Mathematics
Vertically Opposite Angles
Question

Vertically opposite angles do not form a linear pair but they are always equal.
  1. True
  2. False

A
False
B
True
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Solution
Verified by Toppr

True.
The vertically opposite angles are angles on the opposite side when two lines cross or intersect each other. They are always equal and opposite that means not adjacent.
So, they do not form linear pair but are always equal.

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Similar Questions
Q1
Vertically opposite angles do not form a linear pair but they are always equal.
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Q2
The vertically opposite angles are always equal.
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Q3

Indicate which pairs of angles are:

(i) Vertically opposite angles. (ii) Linear pairs.

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Q4

Fill in the blanks:

(i) If two angles are complementary, then the sum of their measures is _______.

(ii) If two angles are supplementary, then the sum of their measures is _______.

(iii) Two angles forming a linear pair are _______.

(iv) If two adjacent angles are supplementary, they form a _______.

(v) If two lines intersect at a point, then the vertically opposite angles are always _______.

(vi) If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are _______.

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Q5

In the adjoining figure, name the following pairs of angles.

(i) Obtuse vertically opposite angles

(ii) Adjacent complementary angles

(iii) Equal supplementary angles

(iv) Unequal supplementary angles

(v) Adjacent angles that do not form a linear pair

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