Q1 G of 22 Page 70

Let’s think and write:

Let’s write whether two adjacent angles are complementary to each other.


Yes, two adjacent angles can be complementary, if they add upto 90°.

Example – In a right-angle triangle two adjacent angles are complementary.


More from this chapter

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1 E

Let’s think and write:

Let’s write whether two right angles are supplementary to each other.


 1

Let’s think and write:

Let’s write whether one acute angle and one obtuse angle are supplementary to each other.


 1 H

Let’s think and write:

Let’s write whether two adjacent are supplementary to each other.


 2

Let’s draw adjacent angles whose measurements are given below.

Let’s examine which pair of angles are complementary or supplementary to each other:


45°, 45° ; 120°, 30° ; 70°, 110° ; 42°,48° 37°, 43° ; 85°, 95°