Question

Line x and line z are straight lines.

Which pair of angles are vertical?

O Za and Zd

Zb and Zd

Za and ZD

O Zc and Ze

Mark this and return

Answer 1

`\angle c` and
`\angle e`

Explanation:

Given

See attachment

Required

Identify the vertical angles

Keynotes

• Vertical angles opposite one another
• Vertical angles are equal to one another

Using the keynote as a reference, we have the following observation from the attachment:

`\angle c` and
`\angle e` are opposite

`\angle c` and
`\angle e` are congruent

Hence:

`\angle c` and
`\angle e` are vertical

(d) is correct