Question

12. Find x in the following figures:
A
(3x-20)
K
E
6 G
E
70
(ll m)
(EF GH)​

Answer 1

(i) Two rays OA and OB, with a common end-point O, form an angle AOB that is represented as ∠AOB.

(ii) The interior of an angle is the set of all points in its plane, which lie on the same side of OA as B and also on the same side of OB as A.

(iii) An angle greater than 90° but less than 180° is called an obtuse angle.