Question

This geometric problem was given to Ajay to solve. He got very confused with the different types of angles. Can you help him answer the following questions?
(i) Which of the following is not a pair of adjacent angles ?

(a) <BCD and < DCE (b) <ACB and <BCD (c) <ACB and <ACD

(d) <ABC and <CBD

(ii) Which of the following is the exterior angle to ∆ABC ?

(a) <DCE (b) <BCE (c) <CBD (d) <ACE

(iii) The co-interior angle to <BAC is :

(a) <ACD (b) <BDC (c) <ABC (d) <ABD

(iv) Value of <BCD is :

(a) 70° (b) 50° (c) 40 ° (d) 90°

(v) Which of the following is a linear pair of angles ?

(a) <BAC and <BCE (b) <ACD and <DCE (c) <ABC and <CBD

(d) <BAC and <ABD
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Answer 1

Step-by-step explanation:

(i) - c

(ii) - b

(iii) - d

(iv) - a

(v) - b