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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Solution

(i) 90°

(ii) 180°

(iii) Supplementary

(iv) Linear pair

(v) Equal

(vi) Obtuse angles

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Similar questions

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

Q. Fill in the blanks:
If two line intersect at a point and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are_______.

Consider the following statements:
When two straight lines intersect:
(i) adjacent angles are complementary
(ii) adjacent angles are supplementary
(iii) opposite angles are equal
(iv) opposite angles are supplementary

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. If two lines intersect at a point, then the vertically opposite angles are always equal.

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(i) 90° (ii) 180° (iii) Supplementary (iv) Linear pair (v) Equal (vi) Obtuse angles

(i) 90°

(ii) 180°

(iii) Supplementary

(iv) Linear pair

(v) Equal

(vi) Obtuse angles