Students can download 5th Maths Term 2 Chapter 1 Geometry Ex 1.1 Questions and Answers, Notes, Samacheer Kalvi 5th Maths Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus, helps students complete homework assignments and to score high marks in board exams.
Tamilnadu Samacheer Kalvi 5th Maths Solutions Term 2 Chapter 1 Geometry Ex 1.1
Question 1.
Write the measures of the complementary angles of the following angles.
i) 45°
ii) 30°
iii) 72°
iv) 88°
V) 38°
Answer:
i) 45°
= 90°- 45°
= 45°
ii) 30°
= 90° – 30°
= 60°
(iii) 72°
= 90° – 72°
= 18°
iv) 88°
= 90° – 88°
= 2°
V) 38°
= 90°- 38°
= 52°
Question 2.
Write the measures of the supplementary angles of the following angles
i) 80°
ii) 95°
iii) 110°
iv) 1350
v) 15
Answer:
(i) 80°
= 180° – 80°
= 100°
(ii) 95°
= 180° – 95°
= 85°
(iii) 110°
= 180° – 110°
= 70°
(iv) 135°
= 180° – 1350
= 45°
(V) 150°
= 1800 – 150°
= 30°