Question

Prove that : The opposite angle forme
by two intersecting lines are of equ
measures.​

Answer 1

Answer:

refer ncert textbook-theorem 1- of lines and angles-grade9

Explanation:

Answer 2

Answer:

If two lines intersect each other, then the vertically opposite angles are equal. Theorem 6.1 : If two lines intersect each other, then the vertically opposite angles are equal. In the statement above, it is given that 'two lines intersect each other'. So, let AB and CD be two lines intersecting at O as shown in Fig.