Fill in the blanks: Two angles forming a linear pair are _______.

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Solution

Define angle forming linear pair
Two angles forming a linear pair are supplementary, which is equal to $180^{\circ}$ .
For example,
$∠ A = 110 °$ and $∠ B = 70 °$
$∠ A + ∠ B = 110 ° + 70 ° = 180 °$
Therefore, two angle forming pair of straight line are supplementary. which means $180 °$
Hence, two angles forming a linear pair are supplementary.

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Question 50

Fill in the blanks to make the statement true.

Two angles forming a ___ pair are supplementary,

Fill in the blanks so as to make the following statements true:
(i) If one angle of a linear pair is acute, then its other angle will be___.
(ii) A ray stands on a line, then the sum of the two adjacent angles so formed is ___.
(iii) If the sum of two adjacent angles is $180^{\circ}$ , then the ___ arms of the two angles are opposite rays.

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 _______.

Which of the following statements are true., (T) and which are false (F)?

(i) Angles forming a linear pair are supplementary.
(ii) If two adjacent angles are equal, then each angle measures $90^{\circ}$ .
(iii) Angles forming a linear pair can both be acute angles.
(iv) If angles forming a linear pair are equal, then each of these angles is of measure $90^{\circ}$ .

Q. fill in the blanks
2 angles forming a linear pair are .

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