Question

By the definition of vertical angles, which of the following correct? Check all that apply.

Answer 1

Vertically Angles : each of the pairs of opposite angles made by two intersecting lines.

Vertically angles are always equal.

from the given figure the opposite angles are :

`\begin{gathered} 1.\text{ }\angle a\text{ \& }\angle b \\ \text{ They are vertically angles and are equal} \\ m\angle a\text{ =m }\angle b \\ \\ 2.\text{ }\angle c\text{ \&}\angle d \\ \text{ They are vertically angles and so they are equal} \\ m\angle c\text{ = m}\angle d \end{gathered}`

From the method of vertically angles we have:

Answer:

c) m

e)m