S.chand class 6 Mathematics Chapter 18 Exercise 18C

 Exercise 18C

Question 1

<img>

If $m \| n$ and $\angle 1=20^{\circ}$, find the measures of angles $\angle 2, \angle 3, \angle 4, \angle 5, \angle 6, \angle 7$ and $\angle 8$.

Question 2

2. Find the value of each one of the lettered angles giving reasons.

<img>

Question 3

Find the value of each one of the lettered angles giving reasons.

<img>

Question 4

Find each of the lettered angles giving reasons.

<img>

Question 5

Find each of the lettered angles giving reason.

<img>

Multiple Choice Question (MCQ)
Tick (✔) the correct option.

Question 6

6. In the given figure, the arms of two angles are parallel. If $\angle A B C=55^{\circ}$, then $\angle P Q R$ equals

(a) $125^{\circ}$

(b) $35^{\circ}$

(c) $55^{\circ}$

(d) None of these