Which of the following correctly characterises angle AOD and angle DOB as a pair of angles?

Adjacent Complementary Angles

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Non-adjacent Complementary Angles

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Adjacent Supplementary Angles

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Non-adjacent Supplementary Angles

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Solution

The correct option is A Adjacent Complementary Angles
From the figure,
we can observe that angle AOD and angle DOB are adjacent angles as they share a common arm OD.

Also, the sum of the two angles = (30+60) = 90 degrees
Hence, the two angles are complementary.

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Similar questions

Q. Construct the following figures.
(i) A pair of adjacent angles
(ii) Two supplementary angles which are not adjacent angles.
(iii) A pair of adjacent complementary angles.

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

Draw the pairs of angles as described below.If that is not possible, say why.

(i) Complementary angles that are not adjacent.

(ii) Angles in a linear pair which are not supplementary.

(iii) Complementary angles that do not form a linear pair.

(iv) Adjacent angles which are not in a linear pair.

(v) Angles which are neither complementary nor adjacent.

(vi) Angles in a linear pair which are complementary.

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

Q. Question 2
Angles between South and West and South and East are
(a) Vertically opposite angles
(b) complementary angles
(c) making a linear pair
(d) adjacent but not supplementary

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Which of the following correctly characterises angle AOD and angle DOB as a pair of angles?

The correct option is A Adjacent Complementary AnglesFrom the figure, we can observe that angle AOD and angle DOB are adjacent angles as they share a common arm OD. Also, the sum of the two angles = (30+60) = 90 degrees Hence, the two angles are complementary.

The correct option is A Adjacent Complementary Angles
From the figure,
we can observe that angle AOD and angle DOB are adjacent angles as they share a common arm OD.

Also, the sum of the two angles = (30+60) = 90 degrees
Hence, the two angles are complementary.