Question

In the adjacent figure , the lines 'l' and 'm' are parallel and 'n' is a transversal. Fill in the blanks for all the situations given below-
(i) If $\angle 1={80}^0$ then $\angle 2=$........
(ii) If $\angle 3={45}^0$ then $\angle 7=$........
(iii) If $\angle 2={90}^0$ then $\angle 8=$.....
(iv) If $\angle 4={100}^0$ then $\angle 8=$.....

• A. (i) ${100}^0$ (ii) ${45}^0$ (iii) ${90}^0$ (iv) ${100}^0$
• B. (i) ${10}^0$ (ii) ${45}^0$ (iii) ${90}^0$ (iv) ${100}^0$
• C. (i) ${100}^0$ (ii) ${35}^0$ (iii) ${90}^0$ (iv) ${100}^0$
• D. None of these

Answer 1

Answer: (A)