Page 1 - ha1
P. 1
SAI International School
Class -7
MATHEMATICS
Ch-5- LINES AND ANGLES
HOME ASSIGNMENT
1. Identify which of the following pairs of angles are complementary and which are
supplementary.
(i) 130º, 50º (ii) 45º, 45º (iii) 80º, 10º--
2. Find the angle which is equal to its supplement
3. Can two angles be supplementary if both of them are right?
4. In the given figure:
(i) Is ∠1 adjacent to ∠2?-
(ii) Is ∠AOC adjacent to ∠AOE?
(iii) Do ∠COE and ∠EOD form a linear pair?
(iv) Are ∠BOD and ∠DOA supplementary?
(v) Is ∠1 vertically opposite to ∠4?
(vi) What is the vertically opposite angle of ∠5?
5. Indicate which pairs of angles are:
(i) Vertically opposite angles. – (ii) Linear pairs. 4,5
6)Find the values of the angles x, y, and z in each of the following: