Find the supplementary angle of 90°

Chart

Angle	Supplementary angle
90°	180° − 90° = 90°

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Chapter 4: Geometry - Exercise 4.2 [Page 81]

Chapter 4 Geometry
Exercise 4.2 | Q 11. (iv) | Page 81

In the given figure, ∠1 and ∠2 are supplementary angles.

If ∠1 is decreased, what changes should take place in ∠2 so that both the angles still remain supplementary.

Find the measure of the supplement of the following angle.

111°

0° and 180° are supplementary

Find the supplementary angle of 165°

Find the supplementary angle of 0°

Two supplementary angles are in ratio 5 : 4. Find the angles

Write the measure of the supplementary angle of the following angles

110°

Angles which are both supplementary and vertically opposite are ______.

An angle which is half of its supplement is of ______.

One obtuse angle and one acute angle can make a pair of supplementary angles.