Question

Find the value of the unknown in the following figure.​

Answer 1

Answer:

1 Answer

We know that in a triangle, if one side of it is produced, then.

Exterior angle = sum of its interior opposite angles.

(i) In Fig. ( i), 110° = x° + 30°

⇒ x° = 110° - 30° = 80°

(ii) In Fig. ( ii), 120° = y° + 60°

⇒ y° = 120° - 60° = 60°

(iii) In Fig.(iii), 122° = k° + 35°

⇒ k° = 122° - 35° = 87°

Explanation:

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