• 1
Votes
name

A PHP Error was encountered

Severity: Warning

Message: Undefined array key "userid"

Filename: views/question.php

Line Number: 212

Backtrace:

File: /home/statpmkj/public_html/application/views/question.php
Line: 212
Function: _error_handler

File: /home/statpmkj/public_html/application/controllers/Questions.php
Line: 416
Function: view

File: /home/statpmkj/public_html/index.php
Line: 315
Function: require_once

ABCD is a quadrilateral in which opposite angles have the same​ measure, as indicated in the following figure. What kind of quadrilateral is​ ABCD? Justify your answer.