Write the measures of the complementary, supplementary angles of the following angles

**Exercise 1.1 **

** **

**1. Write the measures
of the complementary angles of the following angles **

i)
45°

**Complementary
angle of 45° = 90° − 45° = 45°**

ii)
30°

**Complementary
angle of 30° = 90° − 30° = 60°**

iii)
72°

**Complementary
angle of 72° = 90° − 72° = 18°**

iv)
88°

**Complementary
angle of 88° = 90° − 88° = 2°**

v)
38°

**Complementary
angle of 38° = 90° − 38° = 52°**

** **

**2. Write the measures
of the supplementary angles of the following angles**

i)
80°

**Supplementary
angle of 80° = 180° − 80° = 100°**

ii)
95°

**Supplementary
angle of 95° = 180° − 95° = 85°**

iii)
110°

**Supplementary
angle of 110° = 180° −110° = 70°**

iv)
135°

**Supplementary
angle of 135° = 180° − 135° = 45°**

v)
150°

**Supplementary
angle of 150° = 180° −150° = 30°**

__Answer:__

__Exercise 1.1 __

**1. i) 45°
ii) 60 ° iii) 18° iv) 2° v) 52° **

**2. i)
100° ii) 85 ° iii) 70° iv) 45° v) 30° **

Tags : Geometry | Term 2 Chapter 1 | 5th Maths , 5th Maths : Term 2 Unit 1 : Geometry

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5th Maths : Term 2 Unit 1 : Geometry : Exercise 1.1 (Complementary and Supplementary Angles) | Geometry | Term 2 Chapter 1 | 5th Maths

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