Question

Classify the given angles as pairs of complementary lines pairs, vertically opposite and adjacent angles

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Answer 1

Answer:

Figure (iii) represents pairs of adjacent angles and complementary angles.(means this pair of angles are both adjacent as well as complimentary)

Figure (iv) represents pairs of vertically opposite angles.

Step-by-step explanation:

Reason-

1. For figure (iii )all the conditions for adjacent angles are fulfilled (i. common vertex ii. common arm iii. the non common arms lie on the opposite side of the common arm) and

since,a+b=90°, these are also complementary angles. (complementary angles are those angles whose sum is 90 degree)(Reason)

2.For figure iv, we know that when two or more lines intersect each other then from vertical view point the opposite angles are equal(Reason)

Answer 2

Answer:

(3) adjacent angle

(4) vertically opposite angle

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